PB. Arrow Books, London 1972. A Department Z Adventure. When the earthquake struck the island of Canna, one of the mountains had been split open, the solid rock ruptured, buried strata opened up. And more than just rock had been revealed.Spiders. Swarms of deadly poisonous spiders had been let loose. Spiders whose bite was deadly and terrifylingly quick to take effect.
This book is part of the Department Z Books series and is book #28 in the series.