Michael Turner's Fathom makes its triumphant return for the thrilling third volume! The deadly tides of change rise above the surface in the exciting third chapter of the best selling action adventure series, Fathom! Humankind faces a new threat to their existence from the ancient and powerful underwater race, the Black, while the return of the villainous Killian sends shockwaves throughout the already-devastated world of the Blue. Meanwhile, Aspen Matthews attempts to adjust to life above the water, but a future - and past - threat emerges to disrupt her safe haven!

Death and destruction have risen above the surface behind the wrath of Killian and Kiani's bloody vengeance! With the aftermath of their attack on a historic American location sending ripples across the oceans and beneath, any hope for peace between the Humans and the Blue is completely lost as a new threat has emerged to lead the human invasion. Meanwhile, Aspen makes her return below the surface to Muria with Cannon and Chance, and encounters the Blue's special... guest! The deadly tides of change rise above the surface as the exciting third volume of the best-selling action adventure series, Fathom, continues!

In his remote, mountainous base, Chris Calloway learns the hard way about the resilient nature of the Blue, as his war machines' plan of attack against them doesn't go exactly as planned. Aspen and Chance—and their new captive prisoner—have plans of their own as they attempt to free Aspen's brother Finn. Meanwhile, Siphon begins to ponder a course of action below the surface that could lead to disastrous results for the citizens of Muria. And if that's not enough, the Black reveal the massive scope of their attack—one which all of mankind might not survive! The deadly tides of change rise above the surface as the exciting third volume of the best selling action adventure series, Fathom continues!