Age Group: 9 - 12 Years

Number of Pages:

Description: On a wild Cornish island, intrepid cousins Scott, Jack, and twins Skye and Gemma uncover eerie clues: strange lights, hidden tunnels, and whispers of a secret spy base from World War II. When their dad vanishes during a dig, the kids race against time, dodging traps and decoding riddles amid stormy cliffs and forgotten bunkers. Brains, bravery, and teamwork unravel espionage shadows in this pulse-pounding adventure. Packed with gadgets, ghosts, and gut-twisting twists, it's a thrilling launch to island quests where every shadow hides a spy.