Humongous Fungus

"Humongous Fungus" (or "Humongous Fungus: The Weird and Wonderful Kingdom of Fungi") is a children's science and nature book by Lynne Boddy, illustrated by Wenjia Tang. It explores the fascinating and often overlooked world of fungi, from tiny microbes to the largest living organism on Earth. 

This book is aimed at engaging young readers with fun facts, incredible stories, and even some gross-out moments about these mysterious organisms.