We've managed to stick around for ten years! Here's a book to celebrate.

Pre-order your copy of mental_floss: The Book (Only the Greatest Lists in the History of Listory) by tonight and get 15% off with the coupon code WISHLIST. The book includes 320 pages of the best lists from the magazine and website, plus a bunch of new stuff written just for this occasion.

For all of you dying to know what Will and Mangesh's handwriting looks like, the first 1,000 books ordered will be autographed. Reserve your copy today!

The Fine Print: Offer ends at 11:59pm Eastern Time. Not valid in combination with other coupon codes, online gift certificates, or package deals.