The Time Crocodile was a Decide Your Destiny book released in 2007.
Publisher's summary Edit
Join the Doctor and Martha on their travels through time and space and influence the story with your decisions. Choose a direction and let the adventures begin...
The space zoo isn't like any zoo you've ever visited on Earth. For a start, some of the animals can talk! Explore the zoo and work out who can be trusted and who has a hidden agenda...
- Tenth Doctor
- Martha Jones
- Thomas Morrow
- The Time Crocodile, also known as Trahlen, Ophursis and TA4008
- The Tortoise (Kyle)
- There is an alien Time Agent featured minorly in the story.
- The Time Crocodile calls humans Tellurians.
to be added