Unleashed 4:Speak Evil, Paperback

The latest instalment in the action-packed series from the author who won the Blue Peter Best Book Of The Year Award in 2010. When Alex suddenly vanishes into thin air, his brother Jacob is determined to track him down. But someone is playing a deadly game of cat and mouse and the brothers are about to walk right into a trap. Can they outsmart their opponent before it's too late? Will appeal to all teens with a sense of adventure, both boys and girls.