Harriet Blackford is a school science technician who earned her degree in Zoology from the University of London and began her career there in the zoology department. She is the author of several children's books, including Elephant's Story, Gorilla's Story, Tiger's Story (winner of the Kate Greenaway Medal), and all the titles in the TechTots(TM) series. Manja Stojic grew up and studied in Belgrade, Serbia, and now lives in London. Her picture book Rain was a New York Times Best Illustrated Book in 2000. She also illustrated Are We There Yet?, written by Sam Williams, as well as Elephant's Story, Gorilla's Story, and Tiger's Story.