An enchanting non-fiction exploration of our world's greatest marine mammals'An enchanting close encounter with some beloved denizens of the deep.' - KirkusDive into the unique world of whales, dolphins, and porpoises. This beautifully designed guide for children ages seven and up offers a deep dive into the lives of marine mammals, covering everything from their historical ancestors to their babies, how they communicate to how they sleep, their epic migrations to how they have evolved to be perfectly suited to underwater life.Bursting with fun facts organized into digestible, bite-sized sections, as well as more than 40 full color, highly detailed illustrations depicting these beloved creatures and their deep blue homes, Mysteries of Marine Mammals is perfect for budding marine biologists, animal lovers, and any child interested in the vast world around them.