Maya Brown is bored with being cooped up in her nan's house over the summer, and dying to get involved in her mum's intelligence operation against a group of would-be terrorists. But when her mum is kidnapped by the criminals, Maya is suddenly plunged headlong into a world of intrigue and danger. Can Maya find out what the terrorist cell are plotting in time, and without putting her mother's life at risk? And is the mysterious Khaled luring her into a trap, or is he a secret ally? A fast-paced thriller by an established author of teenage fiction, with a fiesty and appealing heroine. Follow all Maya Brown's adventures at www.mayabrownmissions.co.uk

As well as writing for teens, SYLVIA HALL is a journalist whose work included a column for the Guardian when she was living in the States. She has taught speech and drama and was recently involved in staging a musical in Qatar. She and her husband, who was in the rock business, are custodians of John Lennon's house in Liverpool. They also have a house in Derbyshire.