The Complete Star Wars Encyclopedia: The first Star Wars encyclopedia was released in 1998, before the prequels, before Clone Wars. The updated edition, which comes out Tuesday, is three volumes of comprehensive coverage of the Star Wars universe, including character portraits, racial customs, and a timeline of universe. Available for $75.00 from Amazon.
Obsessed with Star Wars: This book of Star Wars trivia will not only educate you on the Star Wars universe, it will test you on your knowledge. A built-in electronic game quizzes you on 40 randomly selected questions and may prove that you're not as obsessed with Star Wars as you think. Available for $23.96 from Amazon.