The Atlas family is in trouble: Jake hides an addiction to stealing; his twin sister, Pan, has to conceal her genius, for fear of bullies.

The siblings can't stop fighting - with each other and with their parents, stuffy professors of ancient history.

But Jake's and Pan's lives take a dramatic turn the day they discover the truth about their boring mum and dad.

When the family go to Cairo on holiday, Jake and Pan's parents mysteriously vanish and it's up to the twins to find them.

They must team up with shady tomb robbers, master high-tech gadgets and locate a lost tomb in this story of a family that finds itself in the deserts of Egypt.