*SIGNED by the co-author JAKE GYLLENHAAL with a BOOKPLATE SIGNED by the Illustrator, DAN SANTAT!*

A debut picture book from actor and producer Jake Gyllenhaal and writing partner Greta Caruso about a little boy, his uncle, and the secret society determined to make their relationship bloom.

The art of Auntieology and Uncleology is a sacred craft, but ten-year-old Leo has an Uncle Moa clueless stationery supply salesman with good intentionswho just doesnt get it. Yet.

The Secret Society of Aunts & Unclesis a madcap, magical adventure into the heart of what it means to have an aunt or unclehow 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 childrens lives in this funny and heartfelt romp of a picture book with witty and inventive illustrations by award-winning illustrator Dan Santat.