January:
The Ape and the Sushi Master by Frans de Waal
February:
The Sociopath Next Door by Martha Stout
March:
How We Love by Helen Fisher
April:
The Science of Good and Evil by Michael Shermer
May: 
A Long Way Gone by Ishmael Beah
The Red Queen by Matt Ridley
June:
Unweaving the Rainbow by Richard Dawkins
July:
A Devil's Chaplain: Reflections on Hope, Lies, Science, and Love by Richard Dawkins
August:
Next of Kin: My Conversations with Chimpanzees by Roger Fouts
Slave by Mende Nazer
September:
The Man Who Mistook his Wife for a Hat by Oliver Sacks
October:
The Great Ape Project edited by Paola Cavalieri and Peter Singer
How to Win Friends and Influence People by Dale Carnegie
November:
Half Empty, Half Full by Susan C. Vaughan
Reason for Hope by Jane Goodall
December:
Prisoners of Hate by Aaron T Beck
Dispatches from the Edge by Anderson Cooper