She's still looking for answers. And the most urgent question is... can she stop a killer? Cache Iron wasn't expecting a struggle with fame. Lying low after catching a psycho sent her publicity sky-high, the former MP is surprised when a tech firm contacts her to help find a scientist nearing a breakthrough. Reluctantly agreeing to take the case, she's quickly immersed in another murder investigation when she discovers the disappeared man's corpse. Diving into the project's dysfunctional infighting, Cache uncovers multiple motives and the victim's coded journal with several missing pages. But after she turns to the genius's son to decipher his father's notes, the determined detective fears she's caused another death when the young man vanishes. Can Cache solve a complex equation before it equals more homicide? Iron Proof is the intriguing third book in the Cache Iron Mystery series. If you like winding twists, electrifying investigations, and a dash of steamy scenes, then you'll love Alex Blakely's wild rollercoaster ride. Buy Iron Proof to check the murderous math today!