Tadpole's Promise is a 2003 British children's picture book written by Jeanne Willis and illustrated by Tony Ross. It won the Nestlé Smarties Book Prize Silver AwardNestlé Children's Book Prize and was longlisted for the Kate Greenaway Medal.The CILIP Carnegie Medal & Kate Greenaway Children's Book Awards

Plot A tadpole and a caterpillar fall in love. Despite promising to never change, the tadpole grows arms and legs and becomes a frog. The caterpillar becomes a butterfly and is eaten by the frog.

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