A tiny mouse accidentally disturbs a sleeping lion and fears he will be eaten - but the lion lets him go. When the lion later finds himself in trouble, though, the mouse sees his chance to return the good deed. This traditional tale by Anthony Robinson is brought to life by the contemporary artwork of Ciaran Duffy. This is a Band 02B/Red B book in the Collins Big Cat reading programme which offers simple but varied text with familiar objects and actions, combined with a simple story development and a satisfying conclusion. This is a traditional tale, and children can recap key events from the story using the story map on pages 14 and 15. This book supports learning around citizenship and the choices we can make as good citizens. This book has been quizzed for Accelerated Reader. For more guided reading books in this Collins Big Cat band, try Our World (9780007512775) by Monica Hughes.