Something strange has happened to Rosie and her brothers. Rosie's new pyjamas have led them to a dangerous discovery. Doctor Starkly-Bonkers has invented the Doombuster and history is all muddled up - and now the machine has been stolen. Can Rosie and the boys beat the Pharaohs and dinosaurs and wil...

Something strange has happened to Rosie and her brothers. Rosie's new pyjamas have led them to a dangerous discovery. Doctor Starkly-Bonkers has invented the Doombuster and history is all muddled up - and now the machine has been stolen. Can Rosie and the boys beat the Pharaohs and dinosaurs and will rice pudding really stop the Vikings?