Everyone knows that sharks are awesome. But have you - or your young child - ever wondered where sharks come from? This book features the journey from mommy shark laying her egg, to ready-to-swim baby shark, to learning how you can locate and identify sharks' eggs (or mermaids' purses) to help our marine life's environment and ecology. Presented with delightful enthusiasm by the authors, 7-year-old Elliott and 9-year-old...