When Zac's latest mission briefly sends him to a secret volcanic island in the middle of the ocean, he knows that something isn't quite right. Then Zac discovers a secret that GIB has been trying to uncover for years …
When Zac's latest mission briefly sends him to a secret volcanic island in the middle of the ocean, he knows that something isn't quite right. Then Zac discovers a secret that GIB has been trying to uncover for years …
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