Xanthe loves visiting her gran in her flat with its rooftop garden.

But Nani is becoming forgetful – and Xanthe wishes she could

help her, if only she knew how.

A mysterious cat shows her a way. It leads Xanthe to clues about

Nani’s childhood, and how, long ago, she had to escape her old

life in Africa for a new one in Britain …

Set largely in Nottingham, including at Wollaton Park