Before Silicon Valley: The Forgotten Woman Who Invented GPS and the Pocket Computer

"Before Silicon Valley" brings to life the untold story of Mariamal-Ijliya, a 10th-century astronomer whose handcrafted astrolabe in Aleppo set in motion a millennium of innovation. Spanning from medieval courts to modern GPS satellites, this richly illustrated narrative weaves together history and science for curious readers of all ages.

Discover how Mariam's analog computing device measured the stars and guided traders across the ancient Silk Road. Follow the evolution of her principles through Renaissance observatories, the Age of Exploration, and the Industrial Revolution-culminating in the pocket-sized receivers we carry today. Along the way, you'll meet forgotten pioneers, uncover the hidden mechanics behind navigation, and learn how analog breakthroughs paved the way for digital precision.

Perfect for young STEM enthusiasts, history buffs, and anyone fascinated by the mechanics of discovery, "Before Silicon Valley" blends clear, engaging storytelling with diagrams and archival artwork. Whether you're a student, educator, or lifelong learner, you'll come away inspired by the legacy of a woman whose celestial vision continues to power our modern world.