What is Safwan reading?

Dangerous Trainers Susan Gates

There were two brothers they use to fight alot.
The big brother bought new trainers and the
trainers were big, purple and had soles as
thick as tractor tyres. The mother always
scolds the big brother all the time, even when
he goes to sleep.
when he climbs the staires he makes horrible noise.
Then he use to go to his couch and jump on it and
put his stinky foot beside his brothers nose.

Safwan