[Book 3] Truly alone for the first time since entering the Avatar world, Dakota struggles to heal—both physically and mentally. Knowing that the Avatar and his friends win the war is all well and good, but Dakota doesn't yet know the sequence of events that help them reach that conclusion. She will soon learn that some knowledge comes at a terrible price.

Eight years after Berk's heir vanished, the Viking town is slowly crumbling. Dragon attacks are more devastating than ever. To save her village, Astrid must piece together exactly what happened before the dragons wipe them all out for good. Meanwhile, half a world away and eight years wiser, Hiccup decides it might just be time to go home.

[Book 1] A 21st century teenager named Dakota Robbins is tossed into the thick of a Hundred Year War, burdened with unreliable knowledge as well as a stubborn conscience. The lesson to be learned from all of this? Don't stick your hand in mysterious, glowing water and expect to walk away without a story to tell. This is the beginning of that story.