John-Kees Morrison-Lanjouw

Jacko has to stay with his strange and forgetful grandfather. He warns Jacko that there is a vampire at his school who bites children: Varlok. Jacko doesn’t believe it - until his best friend Edje suddenly starts behaving very strangely and joins the ever-growing group of bullies at school who all wear sunglasses: The Sunglasses Gang.