Introducing Grzimek's Animal Life Encyclopedia 1975 Birds 3 Book 9, a comprehensive guide to the world of birds. This encyclopedia, written by an unknown author, covers various topics related to birds including their behavior, habitat, diet and more. With its hardcover format and publication year of 1975, this book is a must-have for bird enthusiasts and collectors alike.

The encyclopedia is part of the Animal Life series and focuses specifically on birds, making it a great addition to any collection. Whether you're a student, researcher, or just someone who loves to learn about birds, this book is sure to provide you with valuable information that will enhance your knowledge of the subject.