The Masque of the Black Tulip by Lauren Willig (I've heard a lot of good things about this series, and they have colors in the titles! Two for one!)
The Lavender Garden by Lucinda Riley (Another color title, and it takes place in France.)
Sixpence House by Paul Collins (A man moves to a town in Wales known as the "Town of Books." I have a feeling I'll want to move there too after I read this book.)
The Man Who Loved Books Too Much by Allison Hoover Bartlett (Rare book collecting is a crazy world.)
The Mao Case by Qiu Xiaolong (I never would have picked this book up if the author's last name didn't start with X. I finished it earlier this week, and discovered that I am woefully ignorant about Chinese history.)
Z: A Novel of Zelda Fitzgerald by Therese Anne Fowler (Ever since I read The Great Gatsby in high school, I've been fascinated by the Fitzgeralds.)