Download or read book Cowboy Boyd and Mighty Calliope written by Lisa Moser and published by Random House Books for Young Readers. This book was released on 2013 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cowboy and his trusty rhinocerous try to prove themselves at the Double R Ranch, where the Slim, Hardtack, and Rancher Rose doubt Calliope's potential, but Boyd believes in her.