Zero Hour

Firefly & Fern Summary

Zero Hour is the thrilling first book in Mark Walden's H.I.V.E. series, following Otto Malpense as he's mysteriously recruited into an extraordinary school for talented young villains hidden beneath a volcano. Packed with action, clever twists, and a cast of unforgettable characters, this adventure explores what happens when brilliant kids are trained for the wrong side—and asks whether destiny can truly be rewritten. Readers will love the high-stakes excitement, intricate world-building, and Otto's quest to uncover the truth about himself and his place in this dangerous organization.