Thermal Herman 6-7/8 is the top Kat Hat in Matt Katz's company. A trained cat who is able to form himself into specialty hats, Thermal Herman is world-renowned for his warmth and agility.

When a friend wanders off with a brain freeze and finds themself in peril, Thermal Herman must rush in to save the day in this zany and cleverly illustrated picture book, sure to make young readers giggle with every page.

"With jolly maximalism and Shrinky Dinks shadings, this is a book that invites children to take off their thinking caps, relax, and revel in pure silliness." --New York Times