As a child, Vivian French watched with her grandfather as a family of tiny caterpillar eggs turned, stage by magical stage, into beautiful butterflies.

Now you can share the magic and find out all about caterpillars.

Read and Wonder is an innovative and highly-acclaimed series of non-fiction picture books about the real world.

They're written from a very personal viewpoint, mixing facts with feelings, encouraging children to think, feel and imagine as they learn.