Second Skin (novel)

Second Skin was a Decide Your Destiny book released in 2008.

Publisher's summary
Join the Doctor on his travels through time and space and influence the story with your decisions. Choose a direction and let the adventures begin...

When you find yourself on a twenty-third century space station, you soon realise a dangerous alien parasite has taken over most of the people on-board. Can you and the Doctor destroy it before it reaches Earth?

Characters

 * Tenth Doctor