This Moleskine book opens up into a desktop calendar. The list price is $19.95 but Amazon is selling it for $3.74. As Michael Leddy noted, they should have marked it down to $3.65.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects