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  • "Straight-forward, gadget-free, adventure story that cracks along at a good pace."

    The School Librarian
  • "Fast paced, action packed and full of humour. Good for reluctant readers."

    English 4-11
  • "Funny, warm-hearted and action-packed, this is a tremendous addition to a well-loved series."

    Julia Eccleshare, Guardian
  • "A fun-filled and action-packed adventure . . . The fabulous duo of Grk and Tim may well remind you of the other irrepressible action and adventure duo of Tintin and Snowy. Great stuff."

    Lovereading4kids, Book of the Month.
  • "I simply couldn't turn the pages fast enough to find out what happened to Tim and Grk ... Great reading for boys."

    The Bookbag

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