"The Mighty Bears" by Robert M. McClung is a vintage hardcover book published in 1967 by Random House Children's Books. This juvenile nonfiction book explores the topic of bears, specifically focusing on their strength and abilities. The ex-library copy adds a unique aspect to the book, making it a valuable collectible for those interested in animal-related literature. Written in English, this book is a great addition to any book collection for fans of animal and nature topics.