Beckett is suddenly writing letters, and so is Castle. Complete.

AU post-3x15 "The Final Nail." Takes place after Kate goes for a drink with Castle before her dinner with Josh on Valentine's Day.

Her favourite author just bought her a drink? Shut. The. Front. Door. What if Castle and Beckett met five years earlier?

AU: Rick Castle goes on a writing retreat and meets a mysterious stranger.

Ever wonder what might have happened if Beckett had dumped Josh & proposed to Castle out of nowhere? Ever wonder what Andrew Marlowe meant in the summer 2011 when he stated, "There are things in Beckett's life she's not ready to share with Castle..." This story has it all: romance, humor, angst, AND a twist.

Finding another living, breathing human being in the post-apocalyptic world was not just difficult, but impossible. Kate Beckett never expected to find anyone, let alone Richard Castle. After saving him from certain death, they form an alliance, which soon leads to the realization from both of them that they finally found a reason to keep living. Caskett AU/ZombieApocolypse

When Rick Castle agrees to a meeting with the head of one of New York's more efficient crime families, he has no idea what he's getting into, or how it's going to change his life. A 2016 Castle Hiatus Mini-Ficathon story. Meeting AU. Job AU. COMPLETE

A heavily medicated Beckett, recovering from her shooting at her father's cabin, starts texting. Set in the summer after 3x24 "Knockout." Complete.

A continuation of 'The Last Battle'. Beckett and Castle, after surviving the season finale, must work to create the home they dream of. Two of three.

When a bridesmaid is killed hours before a wedding, Ryan and Esposito are called to solve the case. Serving as their shadow, Rick Castle runs headlong into his past; ex-girlfriend and current bride, Kate Beckett. An AU re-telling of 2x12 'A Rose For Everafter'. [An eight-part prompt from the Castle fanfics prompt blog on Tumblr.]

Sequel to It Takes Two. Highly recommend reading that first. Mark is out of jail and with living with Castle and Beckett. Will Kate be able leave the past in the past to fix things with her father for the sake of Mark? A.U. Rated M for later chapters

AU: Castle and Beckett meet in a different way, but are still drawn together by murder. Their relationship escalates from there as more secrets are uncovered, and they realize their lives may be more intertwined than they thought.

When Johanna Beckett wins a contest to meet her favorite writer, Richard Castle, she's thrilled. Oppositely, her daughter simply doesn't see the appeal. One simple meet becomes the catalyst for a series of events none of them could have foreseen. Caskett AU. Castle Summer 2016 Ficathon Entry.

Is there anything worse than being forced to attend an obnoxious old friend's engagement party? Yes, having to go with Castle. As a couple. Albeit a fake one. Set in season 2.

'The blood has consumed the white of her shirt, drenched the fabric of her jacket, left her skin dull and papery, but he fell in love with a fighter, a warrior of a woman, and she can't give up now. He won't let her.' Takes an AU turn immediately after the shootout in the kitchen in 8x22, 'Crossfire'.

Castle and Beckett spent one night together and over a year apart. Now they were neighbors and they had a second chance for something extraordinary. Pre-Series AU, Meeting AU. Caskett. A prompt response written for CastleFanficMonday and continued for the 2015 Castle Hiatus Ficathon.

Season 2 AU. "It was Memorial Day weekend and with his daughter off in California visiting her mother, Richard Castle, mystery writer and fêted man-about-town, was at a dangerous loose end."

AU meeting fic. Kate is a young mother, living in the same apartment complex as Castle. He is annoyed that the baby is crying all night while he tries to write, and goes to yell at her. Instead, he finds her disheveled and upset, pacing with the baby down the hall, and offers to help.

Rick Castle is intrigued by his Physics lab partner; Kate Beckett is annoyed by hers. An unforeseen even brings these two partners together in a way neither expected, and it might just lead to much more. College AU. (Note: Deals with subjects that may be triggering for some readers.)

Reece has been injured while playing in the park - Kate's motherly instincts kick in. Set 2 months after the Series Finale's "7 years later" segment. ONE SHOT.

Sequel to Medical Attention: Balancing life in a blended family can be hard enough, but when a pipe dream becomes a reality, can they survive with all pieces intact? (Beautiful cover art courtesy of Nadia) *2015 Castle Summer Ficathon*

Post-ep for 3x13 "Knockdown."

In a moment of darkness, Richard Castle receives an interesting-and life-changing-message from a fan. Set after an AU ending to 3x24

AU Castle. Based during the start of season 3. Kate is surprised that the man on the other line isn't her usual go to Chinese take out man.

Knockout AU where no one is shot. "And that is the biggest piece of crap you've said so far," shouts Kate, pointing her finger directly at his chest. "Why don't you just say it?" Taking a step closer, she says it again, adding more taunt to her voice while their eyes connect. "Why don't you say it, say it while I'm on two feet and not being shot at!"

'The glimpse of her face, her smile illuminating his screen, causes his chest to burn, consumed by fire that chars his heart. He loves her, but it's not enough. It's too much. And he can't take anymore.' An alternate end to season 4 that changes everything.

Beckett is on Castle's mind. Really, really on his mind. Set shortly after 3x13, "Knockdown." Complete.

Two strangers meet in a bar and spend a single night together, never to meet again. Can it really be that simple? Of course not.

AU: Violinist Kate Beckett is both nervous and excited that superstar composer Rick Castle is guest-conducting the New York Symphony's holiday concert. But when a murder takes place in Symphony Hall, Kate and Castle find themselves collaborating on more than just music. Entry for the 2015/2016 winter hiatus ficathon.

When Special Agent Kate Beckett is offered an interview for a Secret Service position at the White House she didn't know what to expect, but even less than the position as personal protection for the first daughter, she never expected him. President/SSA AU. COMPLETE.

The lives of Kate and Jim Beckett are turned on end when a mysterious stranger arrives in town and joins them for the Christmas season. Though they don't know it, the appearance of Rick Rodgers is far from coincidental, and might just change all three lives forever. Entry in the Castle Winter Hiatus Ficathon 2015-2016

Detective Kate Beckett and mystery novelist Richard Castle are both on their way home to New York when their flight gets rerouted, but worse things could happen than being stranded in Montana for Christmas. Right? A Christmas AU set around the season 3/4 time frame.

Rick Castle has finally found the way to win Kate Beckett's heart. He's sure of it. Set shortly after 4x13, "An Embarrassment of Bitches." Complete.

Seeing Richard Castle for the first time in a decade? Yeah, she could totally handle that...right? (Rick & Kate met in college AU)

In order to pay off her family debts, Katherine Beckett volunteers to work at the royal castle. However, she gets more than she bargained for when she meets the prince. AU Thanks to Emma for the awesome cover art.

Beckett asks Castle to pretend to be her boyfriend so she doesn't have to turn up at her friend's wedding alone.

She really hates her training officer. Three shot. AU.

The moment she set foot into this place on Broome St, she had felt at home, had felt an attachment she couldn't quite explain... Pre-season to S4-ish AU. Alternative version to my story 'Fade Into Light' (see author's note). COMPLETE.

Based off the tumblr prompt: "My parents are coming to town and I really don't want a lecture of how single I am, so will you be my boyfriend for the weekend?"

Beckett interrogates Castle about the many places where he has fantasized about having sex with her. Takes place right at the beginning of Beckett's suspension in season 5 (i.e. right after she says "I'm pretty sure I'll think of something" in 5x01).

She grabbed the tablet out of his hand. Her senses were instantly assaulted by the information on the screen, everything they knew so far, and the small out of intel they had discovered since he had first called her. The case had almost cost her her own life. Now she had something she couldn't lose to it, something she couldn't walk out on. Season 8 Speculation. Three shot.

Castle's had a few watches, down the last few years. Beckett has one watch. It has, according to her, been hers for the last five years. He's never seen her wear another. And now it's in pieces in her wrecked apartment.

"Am… am I dead?" / "No… no. You're quite alive, Mr. Castle. A complete idiot, but an alive idiot." / Once famous author Richard Castle's luck was about to change when he woke up in the hospital to discover the beautiful Captain Kate Beckett by his bedside, almost eager to get to know him. a "The Time Of Our Lives" story; set in the AUverse.

Kate Beckett is repaying a favour for a colleague, his client has got himself arrested stealing a police horse and needs a lawyer. For her sins legal, his representation falls on her shoulders. At least it is only a onetime thing. Who she's defending doesn't click until she seems him in his jail cell. *Castle Summer Hiatus 2015 Ficathon Entry*

An AU post-ep to 2x18 "Boom." "He cares about you, Kate. You may not see it; you may not be ready to. But he does." She saw it. She just didn't know what to do about it.

Castle and Beckett go undercover at a gated community, to investigate a string of mysterious deaths. Set Christmastime of season four, after Cuffed.

AU. What if Castle went back for Kate at the end of "A Deadly Game?"

Castle and Beckett both join the same dating website after incessant encouragement from their family and friends and start talking to each other without knowing it due to the anonymity of their profiles. Loosely based on "You've Got Mail." My entry for the Rom Com Fic Challenge.

"She's Kate Beckett and it's midnight and she's falling apart on his doorstep." An AU set two months after Season 3. COMPLETE.

'Castle plops down to the sand once she's gone, opens his notebook on his bent knees and uncaps his pen. He came here for inspiration, and he may have just found it.' Based on a gif set by katigron on tumblr.

AU where Kate Beckett has a daughter from a drunken one night stand in Las Vegas on her way home from Stanford. All she knows of the father is that he has bright blue eyes, which her daughter has inherited. 11 years later, Ryan points out the similarities between Joey Beckett and Castle, sending everything into chaos. Set in season 2.

AU: Rick and Kate are both students at Stanford and are studying in the library when another couple begin having sex somewhere nearby. Per request, I'll add some more.

AU. Castle and Beckett meet during the bank robbery in Cops And Robbers. After the events of Montgomery's shooting, her own, and breaking up with Josh, will Beckett still learn to let Castle in? COMPLETE.

Eight years later Richard Castle is found, and it's no longer his ring on her finger. AU from 6x23 "For Better Or Worse".

A Dash Companion co-written with MyNameIsJeffNImLost. At a night baseball game, Ellery needs some cheering up.

"He's the cream in my coffee." "You two are a walking fairytale. Good lord." AU Caskett meet.

Det. Kate Beckett isn't so sure about her new partner, Det. Richard Castle. He's irritating and doesn't always play by her rules...he also just might be the one person she never knew she needed. AU set circa Season 1.

What if Detective Kate Beckett didn't meet Richard Castle because of the Tisdale case? What if they were childhood friends? Best friends even? What if Johanna Beckett never died in that alley? AU. Set way before season 1.

A new series about a certain British secret agent? Even if it meant no more Nikki Heat, the offer was a dream come true. A change of scenery and a fresh challenge were exactly what he needed. So why did Castle feel like instead of starting a new story, he was closing a book mid-chapter? AU from 'When the Bough Breaks'.

What if Kate and Rick had met when Alexis was in trouble? AU: Johanna is alive, Kate is not a cop and... well read to find out the rest.

'Her hand flies to his forehead before she even realizes what she's doing, but his damp skin and fevered flesh steal her attention from the meaning behind her unplanned touch and that familiar worry uncoils from its hiding place inside her stomach.' In which a cold tests the boundaries of Castle and Beckett's partnership. Season 4 AU.

S1 AU Based on a tumblr prompt from anon: Castle's a doctor, a friend of Lanie's. AU Caskett meeting at Lanie's birthday. *Castle Winter Hiatus 2014 Ficathon Entry* Cover art by the awesome (ScribbleAStory)

A few years after Johanna Beckett is killed, Castle and Beckett see each other in a club, and somehow he ends up with her phone. Semi-based off a tumblr prompt, pre-precinct.

"But the longer she stares at him, the more she realizes that she knows him, that she dated him in high school, and that this is the man who took her virginity." Inspired by this tumblr prompt: childhood sweethearts who moved away and then into the same apartment block by chance AU

She has a baby. She brought a baby back from Haiti. Can you even do that? Season 3 AU.

A single chance meeting can change everything. AU. Cover art by ournorthstars.

"Now on day 103 she smiled the first genuine smile." An AU meeting shortly after Johanna Beckett's murder. COMPLETE.

Rick Castle takes little Alexis to the same baseball game that newly made lead homicide detective Kate Beckett is at with her father. After a little problem in the girl's bathroom, their paths cross and leads to new adventures for the writer and detective. As they get closer together, secrets come to light. AU. Very AU.

This green-eyed woman took a bullet for Mal Reynolds before he ever learned her name. Kate Beckett becomes a character in the 'verse. Mackett.

Rick Castle is father to a precocious 9-year-old Alexis who wants him to chaperone her class camping trip. The school decides to take advantage of a new NYPD program to have off-duty officers get involved with school activities. Enter Officer Kate Beckett, just over a year out of the police academy, but in need of a break from the stressful life of police work.

Those warm, heavy, "I want a baby" feelings didn't scare Kate so much anymore. Shamelessly fluffy pregnancy fic. Set beyond s5. Rating subject to change

Making the call might just have been one of the best decisions of his life, he thought, as he stared at his phone again like he had been for the past five days. (AU from the S2 finale.)

Just like the dandelion seeds on the breeze, they had no control over their fates but they had plenty of hopes and wishes to keep them aloft.

Rick and Kate meet for the first time at the hospital. Why are they here? How will it go? How will it impact their lives? Read to find out ;- Rick: 30; Kate: 23; Alexis: 5

Great relationships are based on little things ... starts at the end of "One Life to Lose"

Beckett and Castle never seem to deal with it because they're so busy being in danger. So Lanie figured there is no time like the present.NOW COMPLETE.

They have a deal.

Kate stumbles across a secret - no wonder he'd been so angry at her after she'd avoided him all summer - and reason comes from an unlikely source. Complete.

What happens when one can tell the truth and only the truth, and the other has no self-control? Hilarity, one would imagine. Oh yeah. And fluff. LOADS of it! So much that imma give you all cavities! pls r&r.

At times it's almost like Rick Castle can read Kate Beckett's mind. But this time, he actually can.

Set post "Countdown" Beckett is ready to admit her feelings for Castle and they move their relationship to the next level.

Takes place after Countdown. Castle and Beckett finally talk about their undercover kiss, what it truly meant to both of them, and where they want to go from here. Story is now complete with an epilogue!

Just one touch. That's all it takes. Post 3.06 - 3XK.