Ready Player One

Author: Ernest Cline
Price: $11.99

Amazon says: "This debut takes place almost exclusively inside OASIS, a virtual reality world designed by the Willy Wonka-esque genius James Halliday. His success makes him the richest man in the world—but when Halliday dies, industries and individuals alike become caught up in a quest to find the three clues he's left behind that will unlock his vast fortune."