Elin Kelsey, PhD, is an internationally respected leader in the field of environmental science education, as well as the author of the award-winning book Not Your Typical Book About the Environment and other books for both adults and children. She consults around the world on environmental projects, and loves to explore nature with kids wherever she goes.
Soyeon Kim is a Toronto-based, Korean-born artist who specializes in work that merges real-world materials, fine sketching, and painting techniques to produce three-dimensional pieces.
Hilary Koll is a part-time Mathematics Co-ordinator and teacher of children in Berkshire Primary school. She works as a Lecturer in Mathematics Education at the University of Reading on undergraduate, post-graduate and in-service training courses.