"The Time Crocodile" is a BBC Books

BBC Books

BBC Books is an imprint majority owned and managed by Random House. The minority shareholder is BBC Worldwide, the commercial subsidiary of the British Broadcasting Corporation...

 adventure book written by Colin Brake

Colin Brake

Colin Brake is an English television writer and script editor best known for his work for the BBC on programs such as Bugs and EastEnders. He has also written spin-offs from the BBC series Doctor Who...

 and is based on the long-running British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 science fiction television

Science fiction on television

Science fiction first appeared on a television program during the Golden Age of Science Fiction. Special effects and other production techniques allow creators to present a living visual image of an imaginary world not limited by the constraints of reality; this makes television an excellent medium...

 series Doctor Who

Doctor Who

Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a time-travelling humanoid alien known as the Doctor who explores the universe in a sentient time machine called the TARDIS that flies through time and space, whose exterior...

.
It features the Tenth Doctor

Tenth Doctor

The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

 and Martha

Martha Jones

Martha Jones is a fictional character played by Freema Agyeman in the long-running British science fiction television series Doctor Who and its spin-off series, Torchwood. She is a companion of the Tenth Doctor in Doctor Who, replacing Rose Tyler...

.

This is part of the Decide Your Destiny series which makes you choose what happens in the books.

Plot

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...

Reception

The book has received some negative reviews, but was still successful enough to allow the range to continue.