Eleven-year-old Noah has stowed away on his big sister’s geography field trip, and then everything goes wrong.

The children are marooned on an uninhabited island with no teacher and no food. Their phones don’t work and the internet is broken. Then they discover a treasure map.

It’s a story of isolation and survival, community and solidarity, fun and adventure, and “it’s about not having technology at a point at which you’ve discovered that we really need it,” says Frank. 

“Stories happen on islands. But they’re often stories about people who can’t cope without the advantages of civilisation so end up eating each other. But if this last year has told us anything, it’s that children are resilient and resourceful. When things get tough people are more likely to volunteer to do each other’s shopping than to eat each other. I wanted to celebrate that."

It's another great story by the wonderful Frank Cottrell-Boyce, full of humour and ingenuity, even a few recipes thrown in. I loved it.