Dry Sea Agate is a fascinating science fiction book written by Peter Dickinson. In this novel, the author combines the reality of our world with the world of prehistoric times. The main character, young paleontologist Galena, finds an amazing artifact - a bone with fossils of giant marine lizards - and begins to investigate its origin. In this book, the writer successfully combines scientific facts with imagination, creating an exciting mix of information about evolution and the adventures of the heroine. Traveling through time, Galena not only tries to unravel the secrets of the past, but is also forced to face her own fears and uncertainty of the future. "Agate from the dry sea" is a book that encourages readers to think about the boundlessness of the natural world and the fascination of the past.