Christopher John Francis Boone knows all the countries of the world and their capitals and every prime number up to 7,057.
Then, at fifteen, Christopher\'s carefully constructed world.
Routine, order and predictability shelter him from the messy, wider world.
Everyday interactions and admonishments have little meaning for him.
Although gifted with a superbly logical brain, Christopher is autistic.
He cannot stand to be touched.
He relates well to animals but has no understanding of human emotions.
Christopher John Francis Boone knows all the countries of the world and their capitals and every prime number up to 7,057