Malorie Blackman 
Doctor Who: The Ripple Effect 
Seventh Doctor

Eleven Doctors, eleven months, eleven stories: a year-long celebration of Doctor Who! The most exciting names in children»s fiction each create their own unique adventure about the time-travelling Time Lord.
When the TARDIS lands on Skaro, the Seventh Doctor and Ace are shocked to discover the planet has become the universal centre of learning, populated by a race of peace-loving Daleks. Ever suspicious of his archenemies» motives, the Doctor learns of a threat that could literally tear the universe apart…
Children»s Laureate Malorie Blackman puts her own unique spin on the Doctor»s incredible adventures through time and space.