Download or read book The Case of the Green Guinea Pig written by Nancy E. Krulik and published by Scholastic Paperbacks. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The big school trip is at the end of the week, and Jack can't wait! But someone keeps playing pranks at school, including dyeing the class guinea pig green. Principal Bumble threatens to cancel the trip if the pranks don't stop. It's up to Jack to find out who's behind the pranks. Illustrations.