Liar, Liar: The Theory, Practice and Destructive Properties of Deception
By Gary Paulsen
Kevin doesn't mean to make trouble when he lies. He's just really good at it, and it makes life so much easier. But as his lies pile up, he finds himself in big--and funny--trouble with his friends, family, and teachers. He's got to find a way to end his lying streak--forever.
First of a series.