During their last adventure, Zak Nine and Erro found a mapping device in a crashed prison ship. Following the map, the boys make their way to the Plateau of Leng, a vast desert on Planet Alcatraz. Other than an occasional giant scorpion, the boys seem to be safe on the endless sands until they spring a deadly trap! Huge rocky walls spring up from beneath the sand, grinding against each other and forming into walls, passageways and stone cages. Will the boys be fast enough to avoid getting trapped forever on this hot, desert plain? This special Express edition has a reduced level text of ATOS 2.0 or lower. With exciting illustrations and gripping, page-turning text, it is sure to engross even the most reluctant of readers.

After a recent daring escape attempt, Zak Nine and his Quom friend Erro are imprisoned in the most inescapable region of Alcatraz. The boys are locked in separate cages, hovering at the end of unbreakable chains over a boiling sea of poison. How will the boys escape their latest dilemma? Even if they break out of their cells, how will they travel across the venomous waters to safety? It's the most perilous adventure yet as the boys try to escape from Planet Alcatraz. This special Express edition has a reduced level text of ATOS 2.0 or lower. With exciting illustrations and gripping, page-turning text, it is sure to engross even the most reluctant of readers.

Zak Nine and his friend Erro are on the run! While avoiding a band of patrolling prison guards, the boys meet another escapee who tells them the legend of an abandoned spacecraft. The boys believe that if they can find the ancient ship, they'll be able to fix it and blast off from Planet Alcatraz. But first, they must cross the Igneous Quag, an uncharted swamp full of flame-spitting snakes and hidden geysers of fatal fire! This special Express edition has a reduced level text of ATOS 2.0 or lower. With exciting illustrations and gripping, page-turning text, it is sure to engross even the most reluctant of readers.

During their last adventure, Zak Nine and Erro found a mapping device in a crashed prison ship. Following the map, the boys make their way to the Plateau of Leng, a vast desert on Planet Alcatraz. Other than an occasional giant scorpion, the boys seem to be safe on the endless sands until they spring a deadly trap! Huge rocky walls spring up from beneath the sand, grinding against each other and forming into walls, passageways and stone cages. Will the boys be fast enough to avoid getting trapped forever on this hot, desert plain?

After a recent daring escape attempt, Zak Nine and his Quom friend Erro are imprisoned in the most inescapable region of Alcatraz. The boys are locked in separate cages, hovering at the end of unbreakable chains over a boiling sea of poison. How will the boys escape their latest dilemma? Even if they break out of their cells, how will they travel across the venomous waters to safety? It's the most perilous adventure yet as the boys try to escape from Planet Alcatraz.

Zak Nine and his friend Erro are on the run! While avoiding a band of patrolling prison guards, the boys meet another escapee who tells them the legend of an abandoned spacecraft. The boys believe that if they can find the ancient ship, they'll be able to fix it and blast off from Planet Alcatraz. But first, they must cross the Igneous Quag, an uncharted swamp full of flame-spitting snakes and hidden geysers of fatal fire!