Steve Jenkins has received numerous awards and critical praise for his artwork and innovative book design. His titles include Billions of Years, Amazing Changes; Actual Size; Prehistoric Actual Size; What Do You Do with a Tail Like This?; Life on Earth: The Story of Evolution; Sisters & Brothers; Move!; Hottest Coldest Highest Deepest; and many others. His books have sold more than one million copies worldwide. He lives in Boulder, CO.
Edel Rodriquez was born in Havana, Cuba, and studied painting at Pratt Institute and Hunter College. His work has appeared in five picture books, on stamps for the US Postal Service, and on posters for films and Broadway shows. He is a regular contributor to the New Yorker magazine and was an art director at Time magazine for more than a decade.