Sherman loves the moon and he loves his grandpa even more - who has actually been to the moon!

Grandpa was an astronaut and has a chunk of moon rock on his mantlepiece.

Playing space games with Grandpa is one of Sherman's most favourite things ever, so he's thrilled to hear that's exactly what a visit to Grandpa will involve.

This book has a dyslexia-friendly layout, typeface and paperstock so that even more readers can enjoy it.