Year 3 are now learning all about the Stone Age this half term. They are therefore reading the Cave Boy series of books.
Emperor Penguins have started 'Boom where Old Grumbly, a massive volcano, has begun to rumble and many Urks fear the end of the world is nigh. They agree that the only way to avoid catastrophe is for someone to climb the volcano and make an offering to the ancestors.
Have you read any other of the books in the series?