This is volume 4 in Rumblewicks Diary .

This book has been graded for interest at 6-9 years.

This book was published 2010 by Little, Brown Books for Young Readers .

Sarah Warburton is the illustrator of Rumblewick, the Ruby and Grub stories and Sir Laughalot. She has a stellar track record in fantastic picture books. Sarah lives in Bristol with her busband and two children. Hiawyn Oram is a highly respected, award-winning children's author. With over 60 books publsihed to date, she has also worked on children's television series and musicals.