Marty Crump is an adjunct professor of biology at Utah State and Northern Arizona Universities. She has been a herpetologist for more than fifty years, working with tropical amphibians to study parental care, reproduction, territoriality, cannibalism, and tadpole ecology. She is the author or coauthor of fourteen books, including A Year with Nature and Eye of Newt and Toe of Frog, Adder's Fork, and Lizard's Leg, both also published by the University of Chicago Press. Most recently, she is the editor of Lost Frogs and Hot Snakes: Herpetologists’ Tales from the Field. Tony Angell is the author and illustrator of over a dozen books related to natural history, including The House of Owls and In the Company of Crows and Ravens. He is also the illustrator of Bird Day: A Story of 24 Hours and 24 Avian Lives, also published by the University of Chicago Press.