LAURA MARSH has worked in children's publishing for nearly 20 years as an editor, packager, and currently as an author. She has written numerous books in the National Geographic Kids Readers series, including Sea Otters, Turtles, and Red Pandas. BARBARA KRAMER began writing biographies for children and young adults after following the advice of another author who said, "Write what you like to read." Her subjects have included both historical figures and people in the news. ELIZABETH CARNEY is a writer and editor who specializes in nonfiction children's books and science, math, and STEM-related magazines. Her author credits include Everything Big Cats, Everything Dolphins, Great Migrations: Whales, Wildebeests, Butterflies, Elephants, and Other Amazing Animals on the Move, and several titles in the Face to Face and National Geographic Readers series. STEPHANIE WARREN DRIMMER writes books and magazine features for kids about everything from the strangest places in space to the chemistry of cookies to the mysteries of the human brain. Drimmer has a degree in science journalism from New York University.