Mystery Mob and the Wrong Robot (Mystery Mob) -- Paperback / softback

Dwayne and Gummy's new invention, Buster the chore busting robot, wins them a place on a top TV show. What can possibly go wrong? Written specially to appeal to boys and to develop reading enjoyment and stamina, this series follows a gang of six adventurous boys as they get into scrapes and unravel mysterious happenings.