This tale of epic proportions is from a first-time author. When Sam visits Zara and Ben and their great-uncle, the quirky inventor Professor Ampersand, he never expects to embark on a fantastical adventure.
The take-charge kids from John Fardell's The 7 Professors of the Far North face a summer packed with danger, excitement and suspense--flying airplanes, scuba diving, cracking codes and even taking a spin in the world's first antigravity backpack as they plunge into this fast-paced, high- flying adventure. Ben, Zara, Sam and Marcia begin their summer vacation by helping Professor Ampersand build the Silver Turtle, a high-tech airplane. This is thrilling enough, but things take an even wilder turn when a strange woman steals the airplane with the kids inside. She's trying to evade members of Noctarma, an international criminal organization that thinks the airplane is carrying a secret antigravity device that could be the key to world domination. They've got the wrong Silver Turtle, but they've also captured Professor Ampersand--and the kids will have to pull out all the stops to find the real Silver Turtle device before Noctarma does.
Eleven-year-old Sam finds himself involved in a dangerous adventure when he and his new friends, brother and sister Ben and Zara, set off for the Arctic to try to rescue the siblings' great-uncle and five other professors from the mad scientist holding them prisoner.
This gripping adventure story is packed with eccentric characters, thrilling secrets, amazing inventions and breathtaking surprises. Sam's holiday with his friends Zara and Ben is interrupted when a bedraggled traveller blows in on a storm, reawakening a mystery from their Great Uncle Alexander's past. For thirty years, the remote Arctic island of Nordbergen has remained desolate and uninhabited. Now, strange aircraft have been seen landing and armed guards patrol the island's fringes. Professor Murdo has returned to Nordbergen to complete his secret and deadly work. Sam, Zara and Ben embark on a desperate rescue mission to the frozen Arctic Ocean. To make the journey, they must discover one of the most extraordinary secrets in the world. To survive, they must rely on their courage, their ingenuity and the assistance of strangers.
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