The latest book in the bestselling comedy thriller series for boys. Overlord is on the brink of turning the world's population into zombie-like drones, forcing Nero to activate Zero Hour: the ultimate defence. Over 180,000 copies of the first in the series, "H.I.V.E." have been sold in the UK. Ages: 9-11yrs. 'An exuberant Dahl-esque escapade' "Financial Times"