When the Century Club is called in to prevent the assassination of FDR, it's just another day on the job - but what they discover puts not just the President, but the entire world in jeopardy. With psychic dinosaurs taking over Manhattan and beyond, it's up to Sally Slick, Jet Black, Mack Silver and the other Centurions to save humanity from extinction!

Book Two of the Dinocalypse Trilogy, continuing the thrilling tale begun in Dinocalypse Now... ON THE RUN IN A TERRIFYING FUTURE! Thrown through time and space, Jet Black and his friends find themselves in a future that has changed everything they've ever known. Hunted, exhausted, and desperate to return home, they must stay one step ahead of the conquering psychosaurs who have taken over the world and enslaved humanity! But as the world changed, so did the people they left behind. Bitter enemies turn into vital allies and old friends sacrifice their ideals to seek victory by any means necessary in this fast-paced sequel to Dinocalypse Now!

A BATTLE IN THE PAST... TO SAVE THE FUTURE! A time portal deposits the Centurions into the wilds of prehistory, where Gorilla Khan and his ape warriors are preparing for their invasion of present day. They’ll have to defeat the Conqueror Ape, save the domed city of Atlantis, and destroy the army of psychic dinosaurs before it can be unleashed on their home time! Meanwhile, a modern-day Sally Slick and Mack Silver try desperately to bring their lost companions home before it’s too late. In a fight of desperate odds against talking gorillas, psychic dinosaurs, a one-eyed Tyrannosaurus, and a brain in a jar, can our heroes hope to survive…and save the world one more time? Find out in this exciting conclusion to the Dinocalypse trilogy!