The Keeping place is the fourth book in the Obernewtyn Chronicles.
After a kidnapping, Elspeth Gordie and the misfits are forced to join the rebellion against the oppressive Council, using their extraordinary mind powers. But Elspeth must also seek out clues left by the long-dead seer, Kasanda, vital to her quest to destroy the Beforetime weapon-machines. One clue is lost in the past, forcing Elspeth to travel the dreamtails , stalked by a terrifying winged beast, with the cat, Maruman, as her guide and guardian. Only there can she learn more of the Beforetime Misfits and their enemy, Govamen
Gradually Elspeth realises her quest is intimately linked to the Misfits' refuge, Obernewtyn - it's past and its future...