History is full of the weird, wild, and wacky—and in this interactive adventure book with 250+ photos, middle grade readers uncover the incredible mysteries of our world Kids ages 7+ will discover why history is the coolest subject ever with mind-blowing stories about  ancient civilizations, dinosaurs, hidden treasures, pirates and more How were the ancient Egyptian pyramids built and who was King Tut? How did the Titanic sink and where is Blackbeard’s pirate treasure? Did scientists really find a new dinosaur in the basement of a museum, or an entire city buried underneath the Amazon rainforest? And…why was a 2,000-year-old block of butter stuck in a swamp? In Lost Mysteries, you’re on the case! This incredible fact file provides a thoroughly researched and up-to-date look at every mystery and delves into clues, theories, and exciting new finds from the past that still need to be explored. The secrets of the past are yours to uncover! Start sleuthing to find out about the most incredible mysteries of our world, such as: Why some ancient civilizations disappeared without a trace Where you can find Bigfoot and other mythical monsters Why a famous king was buried underneath a parking lot How the art thieves who stole the iconic Mona Lisa were caught And so many more thrilling facts and theories! This collection of exciting, real-life stories is packed with facts and groundbreaking science that takes readers on a captivating journey to unlock the secrets of the past. It’s the perfect book for kids who love incredible history stories, parents looking for fun boredom busters or gifts for curious kids, or middle grade teachers who are looking to enrich their social studies curriculums.