I mostly started to do this because my book spending was getting out of control. This has definitely kept me moe in check.
Book of the Month:
The Chestnut Man by Søren Sveistrup
Permanent Record by Mary H.K. Choi
If Only I Could Tell You by Hannah Beckerman
Thriftbooks:
Supernatural Psychology: A Road Less Traveled by Travis Langley
Star Trek Psychology: The Mental Frontier by Travis Langley
All of the Bright Places by Jennifer Niven
Illuminae by Amie Kaufman and Jay Kristoff
Suicide Notes from Beautiful Girls by Lynn Weingarten
The Raven Boys by Maggie Stiefvater
The Hobbit Graphic Novel by Charles Dixon
Half-Price Books:
Renegades by Marissa Myers
Library-Thing Early Readers:
The Man in the White Linen Suit by David Handler
Life in Books 