Lieutenant Commander Matthew Reddy and the crew of the USS "Walker" find themselves caught between the nation they swore to defend and the allies they promised to protect.

The Alliance is on the offensive everywhere, but its enemies have a few surprises, including new weaponry and new tactics--and a stunning geographic advantage that Lieutenant Commander Matthew Reddy never suspected.

The final chapter in the Destroyermen Trilogy. Lieutenant Commander Matthew Reddy, along with the crew of the U.S.S. Walker, are once again at war. Having sided with the peaceful Lemurians against the savage, reptilian Grik, they now find themselves scrambling to prepare for the attack that is sure to come. Meanwhile, the Japanese juggernaut Amagi, also trapped in this strange world, is under Grik control with her fanatical commander approaching madness....

Time is running out for the Grand Human and Lemurian Alliance. The longer they take to prepare for their confrontations with the reptilian Grik, the Holy Dominion, and the League of Tripoli, the stronger their enemies become. Ready or not, they have to move - or the price in blood will break them. Matt Reddy and his battered old destroyer USS Walker lead the greatest army the humans and their Lemurian allies have ever assembled up the Zambezi toward...

"Taylor Anderson's enthralling New York Times bestselling series of alternate history continues as game-changing revelations upend the Grand Alliance in a potentially cataclysmic war. Ever since the USS Walker came from another world war to defy the terrifying Grik and diabolical Dominion, Matt Reddy and his crew have given their all to protect the oppressed Lemurians. But with the Walker in desperate need of repairs just as the Grik's First General...