His dog. His computer. The tunnels under New York City. That’s all Joe Tesla’s agoraphobia has left him with—the inside world, the dark world—and now the black depths of the sea. In the latest book in this award-winning thriller series, Joe Tesla seeks to expand his world beneath. He buys a personal submarine to join an underwater scavenger hunt. The competition turns deadly when a mystery sub targets Joe. His search for answers drives him and his service dog out to sea where he alone might find answers in time to save the city he loves from annihilation. But can a man trapped inside by his own fears save the larger world above?

***Winner of International Thriller Writers's Best Ebook Original Novel award!*** Under New York is a vast, dark world: a hundred miles of living, breathing, tunnels. This subterranean labyrinth inhales three million bustling commuters every day. And every day, it breathes them all out again... except for one. Software multi-millionaire Joe Tesla is trapped in those tunnels by his agoraphobia. One by one, he is uncovering their secrets. First, he discovers a bricked-up presidential train car and its deadly cargo--a contagious madness he must contain before it escapes to...The World Beneath. Reviews: "Cantrell's THE WORLD BENEATH simply blew me away: exciting, visceral, inventive, illuminating...shines a light on the beauty and horror hidden just out of sight beneath the world's greatest city...get ready an adventure like no other." - James Rollins, New York Times bestselling author of The Bone Labyrinth "Cantrell's unique mystery is set in Manhattan's subway system, and Jeffrey Kafer's spirited narration delivers the story to perfection...Listeners are in for chills as Joe and Edison, his psychiatric service dog, close in on the criminals." -- Audiofile Magazine "The World Beneath is a unique, non-stop action thriller...The author grabs you on the first page and drags you into the dark depths for a wild subway ride that races to a fatal finish and leaves you breathless and begging for more." - Kieran Crowley, New York Times bestselling author of HACK "THE WORLD BENEATH by Rebecca Cantrell is a heart-pounding thriller with an infective puzzle! Rebecca Cantrell brings to life the amazing world beneath the sidewalks of New York...a virtual page-turner!" -- Publisher's Marketplace