David Bedford and Leonie Worthington collaborated on the playful early childhood concept books Big; Big & Small; Bums; Tails; Toes; Tums; In-o-saur, Out-o-saur; and One-o-saur, Two-o-saur. Leonie Worthington is also well known as an illustrator of the Bananas in Pyjamas picture books.
| SKU | Unavailable |
| ISBN 13 | 9781877003844 |
| ISBN 10 | 1877003840 |
| Title | One-o-saur, Two-o-saur |
| Author | David Bedford |
| Condition | Unavailable |
| Binding Type | Hardback |
| Publisher | Hardie Grant Egmont |
| Year published | 2005-05-31 |
| Number of pages | 24 |
| Cover note | Book picture is for illustrative purposes only, actual binding, cover or edition may vary. |
| Note | Unavailable |