**There are very few puzzles that Amber Young, genius puzzle editor turned FBI special agent, cannot solve. But Amber is stumped when a new victim is found tied in an elaborate rope puzzle—a mysterious killer’s signature that makes her certain that, if she doesn’t decode it in time, he will soon strike again….**
Amber Young, reclusive puzzle editor turned FBI agent, realizes her unique genius may just mean the difference between life and death for the next victim. In this page-turning, cat and mouse thriller, it’s a battle of clues, riddles, twists—and genius.A page-turning and harrowing crime thriller featuring a brilliant and tortured FBI agent, the Amber Young series is a riveting mystery, packed with non-stop action, suspense, twists and turns, revelations, and driven by a breakneck pace that will keep you flipping pages late into the night.