When Mike finds out that his best friend is a Gris-Kwok and can turn into any animal he chooses, it’s the start of some crazy adventures!

Alex’s naughty little sister Polly is a Gris-Kwok too and she won’t do as she’s told. Mike and Alex are in for the worst babysitting job in the world as they try to keep up with her!

Laugh-out-loud fun from an award-winning and bestselling author.


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