When Ryan Fraser heads to Cornwall for his usual summer holiday with Granny and Grampy Baker, he's convinced it'll be the dullest diary in Saint David's Year Five class. His best mates are off abroad, while he's stuck rummaging through dusty attic boxes full of junk - until he finds a strange old vase... and accidentally awakens a shrivelled creature with a flair for chaos.With a splash of water, the little man springs to life-mischievous, mysterious, and very much alive. Megan dubs him Adam the Madman, and soon the quiet village of Digglesby is in uproar: animals on the loose, missing clothes, garden mayhem, and a Grampy with brand-new hair!As long-lost secrets bubble to the surface-parcels from Mexico, a conservationist's mysterious death, and memories Granny would rather forget-Ryan teams up with cousin Kati to unravel Adam's wild past. But when mischief turns to heroism, Ryan must decide: can the truth really fit into a school diary?A riotous tale of curiosity, courage, and a creature like no other.