-- Pictures and complementary text explain two fundamental principles of time -- Illustrated in full color
- ISBN10 0794522114
- ISBN13 9780794522117
- Publish Date 30 May 2012 (first published 4 October 1985)
- Publish Status Active
- Publish Country GB
- Imprint Usborne Publishing Ltd
- Edition Revised ed.
- Format Paperback (US Trade)
- Pages 24
- Language English