Popular Comics, Manga and Graphic Novels Books
"Batman: The Killing Joke" by Alan Moore and Brian Bolland - A story that explores the relationship between Batman and his archenemy, the Joker, and features the origin story of the latter.
"Asterios Polyp" by David Mazzucchelli - A philosophical story that follows the life of an architect named Asterios Polyp, and his journey to understand himself and his place in the world.
"The Sandman: Endless Nights" by Neil Gaiman and various artists - A collection of stories that explore the seven Endless, the powerful beings that govern the world of dreams.