Tunde and the Mystery of Talking Calculator

What if a simple school calculator could talk... and unlock the greatest adventure of your life?When Tunde, a curious boy from bustling Lagos, stumbles upon a mysterious old calculator at Balogun Market, his Saturday takes a wild turn. The calculator doesn't just crunch numbers, it talks, sets riddles, and challenges him to crack codes hidden across the city!With his best friend Chuka by his side, Tunde races through classrooms, crowded markets, and towering landmarks, solving puzzles that blend math, logic, and beginner coding. Each clue brings them closer to a secret vault-and a life-changing discovery that proves the power of curiosity and creativity.Packed with thrilling chases, clever brainteasers, and real STEM facts, this story is more than just an adventure, it's an invitation for kids to think big, solve problems, and see math in a whole new way.Perfect for readers ages 6-12 who love mysteries, riddles, and exciting African adventures.Join Tunde on a journey that will spark your imagination and show that the world's greatest inventors often start young, with nothing more than questions and courage.Are you ready to unlock the mystery?