When Jessie and her older sister Kay find a book called The History of Mischief,hidden beneath the floorboards in their grandmother's house, they uncover asecret world. The History chronicles how, since antiquity, mischief-makers haveclandestinely shaped the past – from an Athenian slave to a Polish salt miner andfrom an advisor to the Ethiopian Queen to a girl escaping the Siege of Paris. Jessiebecomes enthralled by the book and by her own mission to determine its accuracy.Soon the History inspires Jessie to perform her own acts of mischief, unofficiallybecoming mischief-maker number 202 in an effort to cheer up her eccentricneighbour, Mrs Moran, and to comfort her new schoolfriend, Theodore. However, noteverything is as it seems. As Jessie delves deeper into the real story behind theHistory, she becomes convinced her grandmother holds the key to a long-held familysecret.The History of Mischief is about the many things we do to try to escape