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Written by the award-winning author Ali Sparkes

Hilarious adventure stories for 7+ boys and girls - the mad scientist next door invents a potion which can turn Josh and Danny into a whole host of creepy creatures! Two boys, one serum, and a world of trouble!

  • Fast-paced and fiendishly fun series
  • Full of fascinating (and often disgusting!) facts about the natural world
  • Illustrated throughout in black and white by Ross Collins
  • Written by Ali Sparkes, winner of the Blue Peter Book of the Year Award
  • Fantastic activity section at the back of each book with quizzes and games
  • Each book can be enjoyed as a stand-alone or as the next instalment in the exciting SWITCH series
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Series contains:

  • 6 BUGSWITCH books
  • 6 REPTOSWITCH books
  • 1 amphibian bumper edition
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