Absent Humanity

There are very few puzzles that Amber Young, genius puzzle editor turned FBI special agent, cannot solve. But when a cunning serial killer leaves a chilling trail of Zodiac-themed murders, Amber must decipher the cryptic messages left at each crime scene. With time running out and the body count rising, can she stop this merciless murderer before they 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.