The clockwork conspiracy

Isaac Turner's father has vanished. Nobody knows how. When every second counts, will Isaac solve the mystery in time ? a Aspiring inventor Isaac Turner lives with his dad, - the horologist in charge of Big Ben. But when his father vanishes from the belfry on the night the clocks go back, leaving behind only a smashed pocket watch and a cryptic message, Isaac determines to find him. Hunting a trail of clues through London's landmarks, Isaac uncovers a sinister plot in the gears of government and finds himself in a race against time to save his father - and time itself.