Sean Callery is a writer and an elementary school teacher. He has written a number of information books for children, including I Wonder Why There's a Hole in the Sky . Clive Gifford is an award-winning author of more than fifty books on the subjects of sports and soccer. His previous titles for Kingfisher include The Kingfisher Soccer Encyclopedia, Soccer Skills, Summer Olympics, and Soccer. Dr. Mike Goldsmith studied the philosophy of time and space at Keele University in the U.K., where he received a PhD in astrophysics.

Formerly the head of the U.K.'s National Physical Laboratory, he has written many nonfiction books for children, including Kingfisher's Voyages: Space, and Kingfisher Young Knowledge: Solar System.