Knock Knock! (short story)

Knock Knock! was a short story published in the Doctor Who Storybook 2010. It was written by Paul Magrs. It featured the Tenth Doctor.

Summary
to be added

Characters

 * Tenth Doctor
 * Mary
 * Tommy
 * Scoggins
 * Jeffrey Fairbairn
 * John Henry

Continuity
to be added