Image: Dav Pilkey - The Adventures of Ook and Gluk Kung-fu Cavemen from the Future

Description: This is the front cover art for the book The Adventures of Ook and Gluk: Kung-fu Cavemen from the Future written by Dav Pilkey, George Beard, Harold Hutchins. The book cover art copyright is believed to belong to the publisher, Blue Sky Press, or the cover artist.
Title: Dav Pilkey - The Adventures of Ook and Gluk Kung-fu Cavemen from the Future
Credit: It is believed that the cover art can or could be obtained from Blue Sky Press.
Usage Terms: Fair use of copyrighted material in the context of The Adventures of Ook and Gluk: Kung-Fu Cavemen from the Future
License: Fair use
License Link: //en.wikipedia.org/wiki/File:Dav_Pilkey_-_The_Adventures_of_Ook_and_Gluk_Kung-fu_Cavemen_from_the_Future.jpeg