"What Happens in the Autumn?" by Suzanne Venino is a hardcover book published by National Geographic Society in 1982 as part of the Books for Young Explorers series. This juvenile nonfiction book explores the topic of seasons, focusing on the concepts associated with autumn. Illustrated by the author, the book is written in English and spans 32 pages, making it an engaging educational resource for young readers interested in nature and the changing seasons.