Internationally best-selling author Matthew Reilly has had millions of copies of his novels published in more than 20 countries around the world. in The 5 Greatest Warriors, Jack West Jr. and his special team are tasked with nothing less than staving off the end of the world. To do so, they have to assemble the final pieces of the Machine and its long-lost pillars. But time is running out, and all manner of enemies are coming out of the woodwork to thwart their efforts.