Leave a Cheater, Gain a Life is a no-nonsense self-help guide for anyone who has ever been cheated on. Here's advice not based on saving your relationship after infidelity--but saving your sanity.

When it comes to cheating, a lot of the attention is focused on cheaters--their unmet needs or their challenges with monogamy. But Tracy Schorn (aka Chump Lady) lampoons such blameshifting and puts the focus squarely on the-cheated-upon (chumps) and their needs. Combining solid advice that champions self-respect, along with hilarious cartoons satirizing the pomposity of cheaters,...