Zac Power Special Files #7: The Volcano Files

The seventh Zac Power Special Files book, containing two classic Zac stories! In Poison Island, Zac must track down Dr Drastic, an enemy scientist. Zac has 24 hours - and his family's life depends on him succeeding! Then in Volcanic Panic, he discovers his enemy's secret base - and gets trapped there! Zac knows that something isn't quite right, and soon he discovers a secret that GIB has been trying to uncover for years...