The "Butt Book" photography book by Dian Hanson is a beautifully illustrated hardcover featuring 512 pages of stunning portraits and selfies. With a vintage feel and modern twist, this picture book is perfect for adults who enjoy exploring unique perspectives in photography. Published by Taschen in 2018, this book showcases various subjects and themes within the realm of portraits, making it a must-have for photography enthusiasts looking to expand their creative vision.