Follow twelve-year-old genius Charlie Thorne as she races around the globe to protect some of history's greatest secrets—from Einstein's lost equation and Darwin's discoveries to the legendary power of Cleopatra. Combining fast-paced adventure, mystery, codebreaking, and real historical figures, this thrilling trilogy keeps readers engaged while blending fiction with science and history. Reading these novels strengthens reading comprehension, critical thinking, deductive reasoning, and problem-solving skills while introducing concepts from mathematics, physics, biology, world history, cryptography, and teamwork. It also encourages curiosity, perseverance, and analytical thinking through puzzles and high-stakes adventures.
