The time has come for Fionn's grandfather, a secretive and eccentric old man, to step down. Soon, a new Keeper will rise.But, deep underground, someone has been waiting for Fionn. As the battle to become the island's next champion rages, a more sinister magic is waking up, intent on rekindling an ancient war.

    (And you, dear reader, can test your wits right alongside them.) But in the end just four very special children will succeed. Their challenge: to go on a secret mission that only the most intelligent and resourceful children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules. As our heroes face physical and mental trials beyond their wildest imaginations, they have no choice but to turn to each other for support. But with their newfound friendship at stake, will they be able to pass the most important test of all?This tenth anniversary edition of The Mysterious Benedict Society includes over thirty pages of bonus materials that will delight old and new fans alike.

    operation (Witness Anonymous Relocation Program). He and young FBI Agent Chevie Savano are forced to flee terrifying assassin-for-hire Albert Garrick, who pursues Riley through time and will not stop until he has hunted him down. Barely staying one step ahead, Riley and Chevie must stay alive and stop Garrick returning to his own time with knowledge and power that could change the world forever.