Author JOE LEVIT is a media producer and writer in the exhibition department at the American Museum of Natural History. When he isn't creating compelling interactives and films for the museum, he's penning pieces for National Geographic Explorer or A-Z Science, or taking trips with family or friends to recharge the batteries. GRACE HILL SMITH worked for eight years in the Books department at National Geographic, where she soaked up an oceanful of fun facts for kids. She now writes and edits from her home desk in Washington, DC. Expert JESSICA CRAMP is a marine conservationist and shark researcher. She is passionate about stopping the overexploitation of sharks and the degradation of the ocean. Her projects include everything from the creation of the Cook Islands shark sanctuary to engaging local communities about the importance of the ocean. In addition, she advises local governments, NGOs, and foundations in the areas of marine reserve and fisheries policy.

Cramp is also the founder of Sharks Pacific, a nonprofit dedicated to shark and fisheries research, outreach, education and advocacy. She is currently pursuing her Ph.D. at James Cook University in Australia. She lives in the Cook Islands.