Shellshock — Anthony Masters

David's dad is driving him crazy. He is always moaning about his art, upsetting his mum, disregarding their sick Gran and generally making everyone miserable. Only Jan, David's kind and understanding friend, makes it all bearable. When his dad moves to Spain on the trail of his 'vision,' David follows for a holiday. But waiting for him there is the cunning orphan Miguel, vying for his dad's attention. And when Jan comes to visit, everything goes from bad to worse. Miguel goes to dangerous lengths to drive a wedge between David and those he loves. As Miguel's interference gets more and more perilous, they are all caught up in something very strange indeed, for there is a local legend about the 'Rock People,' about a curse, and revenge...

In this novel for young adults, first published in 1990, Anthony Masters shares deep insight into social problems experienced by children and teenagers, and explores difficult themes of family break-ups, bullying, illness and death.