Start your engines and get in gear for an action-packed story from the bestselling author of The No.1 Ladies' Detective Agency series, Alexander McCall Smith, with fun and energetic illustrations by Kate Hindley.

When Max finds an old car that has his last name - Champion - on the bonnet, he learns that his grandfather used to make some of the best cars around ... and race them! That is, until his ideas book and his favourite car, Arabella, were stolen by greedy rival Mr Grabber.

Can Max find a way to get back what Grandfather Gus lost? And will Arabella ever be seen again?