The latest collection of nose-wrinkling facts, presented by Judy Moody's encyclopedia-reading little brother, features more stomach-churning scientific trivia that is cross-referenced with related Stink and Judy Moody titles.

A class visit to the Gross-Me-Out exhibit at the science museum inspires Stink Moody to create a variety of terrible smells to put on the sneakers he plans to enter in the World's Worst Super-Stinky Sneaker contest.

Seven-year-old Stink Moody discovers that he can get free samples by writing letters to candy companies and plans a surprise for his best friend's birthday.

Stink Moody, friends Webster and Sophie, and Mrs. Birdwistle visit tourist attractions in Virginia as they try to give away 101 guinea pigs rescued from a laboratory, although Stink is very reluctant to give away his favorite, Astro.

In Acton, Oregon, sisters Alex, Stevie, and Joey take turns telling about their lives, including auditioning for the same part in the school musical, baking contest-worthy cupcakes, and becoming obsessed with "Little Women."