The art of Auntieology and Uncleology is a sacred craft, but ten-year-old Leo has an Uncle Mo-a clueless stationery supply salesman with good intentions-who just doesn't get it. Yet.

The Secret Society of Aunts & Uncles is a madcap, magical adventure into the heart of what it means to have an aunt or uncle-how we learn to keep each other close and how we find love in the simplest things.

Jake Gyllenhaal and Greta Caruso paint a goofy, loving portrait of one of the most important relationships in children's lives in this funny and heartfelt romp of a picture book with witty and inventive illustrations by award-winning illustrator Dan Santat.