Scientist Jessica Cramp illuminates her work studying sharks and protecting our amazing ocean with in-depth scientific info and comic-book flair. Cramp's conversational and witty explanations will make kids want to dive right in. Colorful side stories in graphic novel-style feature Cramp as character Captain Aquatica, with her sidekick shark, Fin. Together they help make big concepts accessible and interesting to kids of all levels. Amazing photography and cool content draw kids into the subject and story, attracting STEM fanatics and reluctant readers alike. Product details Publisher : National Geographic Kids; Illustrated edition (June 11, 2019) Language : English Hardcover : 128 pages Reading age : 8 - 12 years Grade level : 3 - 7 Item Weight : 1.28 pounds Dimensions : 7.9 x 0.65 x 10.25 inches ISBN-13 : 978-1426332920