The Crystal Snare: No. 5: Decide Your Destiny
BBC, Richard Dungworth
Become the Doctor’s companion and join him on his adventures through time and space. At the end of each page, you are faced with a choice as to which route the story will take. Make your own path through the story to one of the several different endings.
Reviews

It was fun reading this book.
Anonymous 20.07.2016

Because it is an exiting adventure.
Anonymous 18.07.2016

You should read this book because of the nanobots!
Anonymous 03.09.2014

It had a new monster in it (called nanobots) and lots of cool inventions and you can choose how you want the story to go. There's more than one possible endings but they're all good.
Anonymous 07.08.2014

It's slightly the same as the first one, but the tenth doctor and Martha are with you and it's more adventurous and there is always a alien in these decide your destiny books, I hope you read these books.
Anonymous 24.07.2014