I picked up the first book in this series on a whim, not sure what to expect, but the history geek action-adventure with a scifi twist hit the exact right note for me. And this final book in the trilogy is no slouch in terms of any of that! Cade, Amber and Quintus (and the rest of the teens) have had a short reprieve after defeating the Hydras, but Abaddon isn’t done with them yet. But Cade’s darkest moment yet leads to the startling revelation […]