Part of an interactive non-fiction series for children aged 7-10. This box contains a colour book that includes an activity experiment to play with and learn from.
Used availability for Anne Cassidy's Optical Illusions
September 1996 : USA Hardback
Title: Optical Illusions (Discovery Boxes)
Author(s): Anne Cassidy
ISBN: 0-590-19137-3 / 978-0-590-19137-1 (USA edition)
Availability: Amazon UK