He's planning to recover the buried loot any night now and Agent Z and the crew intend to be there when he does. Mark Haddon has a sharp understanding of what makes children tick, and they will delight in the ever more daring, ever more hilarious missions of Agent Z and his three creators.  Meer

The first collection of stories from the author of The Curious Incident of the Dog in the Night-Time and The Porpoise. 'Terrifically compelling' GuardianA seaside pier collapses.  Meer

He discovers an incriminating videotape of Agent Z activities and blackmails Ben into becoming his slave.Meanwhile, Ben, Jenks and Barney embark on their first film, entitled Invasion of the Killer Bananas, in which T.  Meer

Ben's a born daydreamer. He's much rather be in the Sahara, or on a Viking ship than sitting in a boring maths lesson. Then Agent Z appears on the scene - and THAT means secret missions, cunning plans and careful strategies.  Meer

Pools winner and total wazzock, Dennis Sidebottom has moved next door to Ben - bringing his squeaky-clean kids with him. Accused of being troublemakers and a bad influence, they decide to shake up the Sidebottom universe with the help of Agent Z, a meteorite and a stolen penguin.  Meer