The Adventures of Big Sil Phoenix, AZ : Big Sil LLC : 9780996735261 : 0996735267 : 16 May 2016 : Imagine, discover and explore amazing places around the U.S., in this children's book series led by the loveable dog, Big Sil. The story is told through a unique combination of illustration and photography as Big Sil jumps into an adventure in Phoenix. The Adventures of Big Sil Phoenix is an educational children's book experience celebrating art and culture icons in Phoenix, as Big Sil hikes up red rocks, drives on the raceway, and visits an old wild west town. These children's books were inspired by the real Big Sil himself and a portion of the proceeds will be donated to dog rescue.