Download or read book Big Book of Butts (Adult Picture Book written by Speedy Publishing LLC and published by . This book was released on 2015-01-28 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: A protruding posterior is considered attractive by guys for a variety of reasons. Primarily, evolution programmed men to prefer women with wide child-rearing hips, and a big butt represents this ideal mating quality. Plumpness also signifies youthfulness, which is a trait that males prefer. Finally, everyone likes something to hold onto during sex, and a little spanking never hurt either.