Rock-Hop

From Author Wars - https://authorwars.com/books/rock-hop-1911977.html

Overview:

Title: Rock-Hop
Author: Paul Collins
Year: 2007
Type: Chapter Books

Editions/Publications:

Unknown. Rock-Hop (Unknown, Paul Collins, Macmillan Education Australia, ISBN-10: 9781420211764, A$, 62+[2] pages, Trade Paperback, Chapter Book)
2011 . Rock-Hop (2011, Paul Collins, Scholastic, ISBN-10: 9781407118598, $10.25, pages, Trade Paperback, Chapter Book)