On the Edge

by Gillian Cross

Published 29 January 1987
Two young people discover unknown strengths inside themselves when one is kidnapped and the other tries to save him.

Twin and Super-Twin

by Gillian Cross

Published 1 April 1990
The interaction between two street gangs is dynamically affected when David, one of a set of twins, finds his arm transforming into a snake, sausages, and other bizarre objects.