No one has a gran like Ellie and Morris. Gran has red hair, a leather jacket, and she's part of a motorbike gang. When Gran's lodger disappears with her motorbike, Ellie and Morris decide to take matters into their own hands. Find out what happens in this hilarious mystery, written by Carnegie nominee, Ally Kennen and illustrated by Mark Beech.

* Sapphire/Band 16 books offer longer reads to develop children's sustained engagement with texts and are more complex syntactically.

* Text type: A mystery story