John Clark is a highly experienced children's science writer and editor. He has lost track of the number of books he's worked on and is looking forward to retiring so he can spend some time counting them up! John Stringer consulted on two of the titles.

About the Author

John Clark is a highly experienced children's science writer and editor. He has lost track of the number of books he's worked on and is looking forward to retiring so he can spend some time counting them up! John Stringer was consultant.