Author: Edwards, Dorothy, Hughes, Shirley
Interest age: from c 6 years 
Published 02/08/2010 by HarperCollins Publishers (Farshore) in the United Kingdom as part of the My Naughty Little Sister series 
Paperback | 144 pages
My Naughty Little Sister and Bad HarryTogether they are double trouble . . . my naughty little sister and Bad Harry make secret friends with a mouse and find a hiding place for their bread crusts!