AU – return to the pilot episode. Imagine they did go to dinner to debrief and then kept their personal life a secret.

AU. On January 9th, 1999, Castle saves Johanna Beckett from being murdered. His act of bravery sparks a complicated love with her daughter, and a totally different life and career path for Kate Beckett. Because although Johanna lived, someone out there still wants her dead, and as the years go by, Kate Beckett and Richard Castle are determined to find out who.

Castle would be the first to admit that their deep friendship was unexpected and slightly peculiar given how different their lives were. Then again, perhaps that was why their bond was as strong as it was; those two descriptors perfectly illustrated the circumstances surrounding their initial meeting. Perhaps it was the path they were destined to walk. Caskett FFYG-AU

Busy single mom Kate Beckett doesn't have time for unnecessary distractions, particularly from a certain mystery writer she meets on the subway. Then again, he might just be the exact thing she's been searching for. Caskett AU. Trigger warnings inside.

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?

'Kate Beckett may have slid beneath his skin, threaded herself through his veins and leaked into his bloodstream, but maybe it was a good thing, for now, for the sake of the mission. He'd have her out of his system by the time it was all over with.' A roughly season 8 inspired AU.

"I wish I could see your face, Rick, but the only thing I see is your shape." Caskett AU meeting Rating: T [for now] Angst/Comfort

AU from "47 Seconds" Late one evening an explosion rocks the precinct. Kate is there after hours and is taken hostage along with the rest of the late shift. Castle never returned after finding out Kate remembered her shooting. Will he come back to help the boys try to rescue her and the other police officers?

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

What if Castle & Beckett were given custody of Ryan & Jenny's little girl after their untimely death? Inspired by the movie Life as we Know it. Set mid-season 3, pre Knockdown.

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.]

Castle is the Black Pawn wild child in danger of losing his contract. Beckett is the no-nonsense PR consultant hired to improve his image. Entry for the 2015 Castle Winter Hiatus Ficathon.

One of the last things true crime writer Richard Castle expected when he took a meeting with convicted murderer Kate Beckett was to be sent on a quest for proof of her innocence, the other was to fall in love with her. A Castle AU. Written 2012. Revised 2016.

AU: "It still catches him off guard, the wave of curiosity like a weight lifted off his shoulders, the wave of inspiration so very sweet, a taste of something he hasn't had in forever. Kate Beckett. She's going to be a tough nut to crack." Castle and Beckett meet in yoga class. Entry for the winter ficathon 2015.

Post-ep for 3x13 "Knockdown."

AU: Castle is the fun English teacher. Beckett is the strict English teacher. All their students ship them together. (And they may ship themselves together, too). Castle Ficathon 2015 Entry.

Set about two years into the future (hypothetical season 10), apperception is having a full understanding of an event because of the conditions that inspire it. A story roughly prompted by tumblr's one-writer-girl: "Beckett tries to win them back."

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.

She broke something wonderful, tore it to shreds. She left him, and now she needs to come home. She needs to fix this, for him, for them. All of them. A post 8x02 story.

"If Tyson wants to play, he can play with her. Alexis will come out of this intact if it's the last thing Kate Beckett does." Season 4 AU. TW for violence, assault, recovery, and mature themes.

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.

"What is she thinking? Uprooting her life, leaving the only town she's ever called home, and, even worse, dragging her father along because she's too selfish to leave him behind. But the new job should excite her. And it does. Secret Service Agent? It's a leap she never thought she'd take." Based on a prompt from the castlefanficprompts tumblr.

AU. "Your fugitive's name is Mr. Richard Castle."

"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

Confined and surrounded by complete darkness - not sure where she is and completely alone - Beckett struggles to find the light... and Castle. Takes place early April in Season 6 - No Spoilers (No idea how to categorize this... so let's go with 'not fluffy') - COMPLETE

It should have brought them closer together, not torn them apart – she understands this now. What she doesn't know is whether any way back for them still remains. Future fic - Complete. **Winner of 'Favorite M rated Fanfic Multi-chp' in the 2013 Castle Fanfic Writers Guild Awards**

Don't wait. Don't think. Just... jump. Making mistakes is what we live for, they help us grow, they're confirmation of the freedom that every soul needs. But are some mistakes just too big to fix? When the dominoes start falling, Kate will have to wonder if it was really worth it - and if Rick is worth it, especially when there is so much more at stake.

"What was his problem? Did he have no sense of justice or morals whatsoever? He just let a killer free and all he could think about was boobs." An AU Castle/Beckett story.

After trying to get pregnant for a long time, Rick Castle and Kate Beckett get help and finally have that little Castle baby everyone is always talking about. *Disclamor* Not mine all characters you recognize belong to Marlowe and CO; those you don't recognize are all mine

AU It started with a visit to her father in the rehab facility. Kate never expected it to lead to time away with Richard Castle and his family in the Hamptons.

Castle and Beckett receive a tip off that leads them to a alley way. But something happens in the alley that changes everything. This story is rated M because it contains subject matter that is for mature readers. it was written to increase awareness and communication about the subject. It does not contain smut.

Kate Beckett has personal experience when it comes to dealing with a nine year old on a sugar rush.

A/U It's definitely not love at first sight. Prickly, aloof and strait-laced Kate Beckett isn't what Rick expected when he hires someone to protect a young Alexis. She's all business while he's all about the play. Shallow, irresponsible and a playboy is how Beckett would characterize her latest employer. But sometimes first impressions can turn out to be wrong.

When Kate is forced to work with Detective Ethan Slaughter without her team to have her back, Castle is not excited, fearing Slaughter might get her into trouble. But when Kate disappears Castle and the boys soon realize something much bigger is going on. Will they be able to stop it?

AU: Beckett is a uniform on the Vice squad at the 12th, five years before she and Castle actually meet in the show. Based on an idea of Cartographical - chezchuckles and I just liked it so much that we each wrote our own. Variations on the same theme, sort of.

When someone Kate loves asks her to take care of their child and flees, it's up to Caskett to take care of an abandoned little girl. Takes place in the middle of season 5, so Caskett is established.

It's 1941, the war rages in Europe. In Casablanca Rick Castle is trying to get by running his café and trying to forget the past. Then one day the only woman he's ever loved comes walking into his gin joint and turns his life upside down, again.

Castle and Beckett will do anything in their power to protect an abused little girl. However, when the case threatens to reveal their secret relationship to the world, will they be forced to give it all up?

Future-Caskett. Their lives through the eyes of their child, Amelia Castle. "Look how strong you're being about your Mom being asleep for so long, and how much of a good big sister you're being to Atticus. I love you, Amelia. You're so special. You know that, don't you?" COMPLETE.

What would have happened if Rick and Kate had met before she arrested him?

His laughter rings through the speaker, makes her heart leap. One shot. Complete.

AU. What happens to Kate Beckett when the Dragon is slain - and she's charged with his murder?

Kate Beckett was twenty-six when the biggest accident in her life occurred. Five years later, the biggest miracle happens. AU.

Richard Castle discovers something unexpected when he visits Kate Beckett one December night.

When Kate Beckett went to get her book signed by Richard Castle, she never imagined that she'd end up meeting his daughter, much less offering to babysit for the afternoon. AU.

A continuation of Dangerous Game. Highly recommended that you read that first. Beckett tries to figure out where she wants things to go with Castle. Meanwhile, a serial killer fixates on Beckett.