Challenges I'm considering: the Scienticity.net 2012 Science Book Challenge, one of the annual challenges on Librarything, or one posted on Novel Challenge. Novel Challenge is a great blog that seeks to create a one stop spot for the latest online reading challenges.
2011 Book List in progress
1. I’m A Stranger Here Myself / Bill Bryson
2. Flapper: A Madcap Story of Sex, Style, Celebrity, and the Women Who Made America Modern /Joshua Zeitz
3. Bossypants / Tina Fey
4. Sleepwalk with Me/ Mike Birbiglia
5. Half Empty / David Rakoff
6. Half Broke Horses /Jeannette Walls
7. Werewolves in Their Youth / Michael Chabon
8. Exploration Fawcett / Col. Percy & Brian Fawcett
9. At Least in the City Someone Would Hear Me Scream / Wade Rouse
10. The Murder Room / Mike Capuzzo
11. The Psychopath Test: A Journey Through the Madness Industry / Jon Ronson
12. Ladies and Gentlemen the Bible / Jonathan Goldstein
13. The Immortal Life of Henrietta Lacks / Rebecca Skloot
14. This Book is Overdue!: How Librarians and Cyberlibrarians Can Save Us All / Marilyn Johnston
15. For Better: The Science of a Good Marriage / Tara Parker-Pope
16. Moby Duck: The True Story of 28,800 Bath Toys Lost a Sea and of the Beachcombers, Oceanographers, Environmentalists, and Fools, Including the Author Who Went in Search of Them / Donovan Hohn