Escape into space with the conclusion to the action-packed duology that began with The Infinity Files, perfect for fans of Doctor Who, Guardians of the Galaxy and The Aurora Cycle."Action-packed, joyously futuristic." Armadillo"After so many years of bleak dystopias it's a pleasure to witness the return of space opera to YA." The Irish TimesGet in. Get out.Keep to the task.Leave no one behind.Ash Yang is the youngest ever Guardian of the Infinity Files, responsible for the universe's most powerful and dangerous artefacts. And whether her planet-hopping missions take her to crumbling space ports, volcanic disasters or cloud cities, her new team - loyal Ezra, tech-genius Amara and daring Trik - have got her back.But when a ruthless enemy tracks them across the galaxies, Ash must protect not just her team and their home, but the whole universe.

Escape into space with the conclusion to the action-packed duology that began with The Infinity Files, perfect for fans of Doctor Who, Guardians of the Galaxy and The Aurora Cycle."Action-packed, joyously futuristic." Armadillo"After so many years of bleak dystopias it's a pleasure to witness the return of space opera to YA." The Irish TimesGet in. Get out.Keep to the task.Leave no one behind.Ash Yang is the youngest ever Guardian of the Infinity Files, responsible for the universe's most powerful and dangerous artefacts. And whether her planet-hopping missions take her to crumbling space ports, volcanic disasters or cloud cities, her new team - loyal Ezra, tech-genius Amara and daring Trik - have got her back.But when a ruthless enemy tracks them across the galaxies, Ash must protect not just her team and their home, but the whole universe.

Betrayal. Sacrifice. Survival. Welcome to The Extinction Trials... In Stormchaser and Lincoln's ruined world, the only way to survive is to risk everything. To face a contest more dangerous than anyone can imagine. And they will do anything to win. But in a land full of monsters – human and reptilian – they can't afford to trust anyone. Perhaps not even each other...

Betrayal. Sacrifice. Survival. Welcome to The Extinction Trials. After surviving on Piloria once, Storm and Lincoln are the obvious candidates to return to the dinosaur continent to test the new virus that should clear the way for human settlement. But they have their own priorities – finding a cure for the plague that's sweeping Earthasia, and keeping themselves alive.