Description
Eleven-year-old Sam and his friends, brother and sister Ben and Zara, set off for the Arctic to try and rescue the siblings' great-uncle and five other professors from the mad scientist holding them prisoner.
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When Sam visits Zara and Ben and their great-uncle, the quirky inventor Professor Ampersand, he never expects to embark on a fantastical adventure. But when Professor Ampersand and his group of professor friends are kidnapped by the evil Professor Murdo, it's up to Sam, Zara, and Ben to save them. They have only three days in which to journey to an icy, desolate land and uncover Murdo's sinister plot. Only then can they save the professors— and the fate of the whole world.
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