Matthew and Jessica learn at last the value of co-operation, but only after turning mother into a frog .
Matthew and Jessica's competitiveness gets them in to trouble when a magic trick goes disasterously wrong.
They realise that they can only undo the spell by working together.
This fun story teaches the value of co-operation and explores the issue of sibling rivalry.
Child's Play International Presto change-o, paperback/audrey wood
