The brand new must-read middle-grade novel from the author of super-spookyCrater Lake. Perfect for 9+ fans of R.L.Stine's Goosebumps. Angelo and his friends know that together they can handle any pretty much anything - including giant mutant spiders or snake-like parasites that burrow into your brain. But when a terrifying new enemy attacks from above it seems they have met their ultimate match . . . how can they defeat giant vampire birds that are after BLOOD? With summer term in full force - and sports day and prom night on the horizon - the whole school is in danger. The gang need a plan to bring safety to the skies!