Petty's back with a new kind of SWITCH spray-reptoSWITCH! The lizard formula is ready for testing, and Josh and Danny are eager to help. But as Josh and Danny are trying it out in the safety of Petty's secret underground lab, they're interrupted by an intruder's attempt to get in to Petty's house! The intruder vanishes, but there is a package waiting for Josh and Danny at home containing a marble and a cryptic clue. Will Josh and Danny find the next mysterious marble? And will they be able to work out who sent the clue, and why?

 

This book features in the following series: S. W. I. T. C. H. , Switch Series .

There are 128 pages in this book. This book was published 2012 by Oxford University Press .

Ali Sparkes has her own show on Radio Southampton. The Shapeshifter: Finding the Fox, published May 06, is the first book in this series. Ross Collins was born in Glasgow in 1972. In his last year at college, he won the Macmillan children's book prize. He lives in Glasgow and is now an established picture book illustrator.