Charlie Bone and the Invisible Boy

Readers return to Bloor's Academy in the paper-over-board Charlie Bone and the Invisible Boy by Jenny Nimmo. This third installment in the series finds Charlie and friends helping a boy who was turned invisible by a magic snake, as punishment for snooping. An ancient, hypnotic shape-shifter arrives and attempts to thwart their efforts, a formidable foe for the magically endowed students. .