I Wonder Why Fish Grew Legs and other questions about prehistoric life
| Imprint | Kingfisher |
| Publisher | Houghton Mifflin Company |
| Copyright Holder | Kingfisher Publications Plc |
| Series Designer | David West Children's Books |
| Consultant | Steve Parker |
| Illustrator | James Field, Andrew Harland, Mike Lacey, Sarah Smith, Stephen Sweet (2), Ross Walton, Peter Wilkes |
| Series | I Wonder Why |
| Format | Paperback |
| Language | English |
| Location | Boston |
| Copyright | 2001 |
| First Published In Hardcover | 2001 |
| First Published In Paperback | 2004 |
| Pages / Font | 32 pages |
| ISBN 10 | 0753457628 |
| ISBN 13 | 978-0-7534-5762-7 |
| Barcode | 9 78053 457627 |
| Printer's Key | 10 9 8 7 6 5 4 2 1 |
| Price | $6.95 |
| EAN 5 | 90000 |
| Notes | Printed in Taiwan |
Added by almoadhadi · Last edited by westpier