Some of these have been there way too long...
Civil War by Stuart Moore (adapted from original graphic novel by Mark Millar and Steve McNiven)
Across the Nightingale Floor (Tales of the Otori book 1) by Lian Hearn
Eon Dragoneye Reborn by Allison Goodman
Pride and Prejudice and Zombies by Jane Austen and Grahame-Smith
A Brief History of the Samurai, A New History of the Warrior Elite by Jonathan Clements
Insurgent by Veronica Roth
The Lord of the Rings (the whole trilogy) by J.R.R. Tolkien
Hamlet by William Shakespeare
Firefly Lane by Kristin Hannah
That's all I can think of right now.
I'll probably add more later.