`Polly likes these stripy seeds,' Grace said. `What are they from?' `Let's find out,' said Mrs Marino. Grace and her neighbour plant a mystery seed. They wait and wait for ages. Then a little green shoot starts to grow . . . and grow . . . and grow . . . until, at last, Grace discovers the truth about her amazing mystery seed. Intrigue and wonder will lead children to want to find out what grows in this book.