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Diamond. One name for a woman who is faking it until she makes it. And she will make it. At least that’s what she’s telling herself.

Dr. Robin Ransom is a therapist to first responders, cops, and spies. She has a problem. She is being blackmailed via email by a nameless, faceless crook. Her neighbor Murali Devi, is an IT wizard who said he’d take care of the problem for her. Now he’s dead. And there’s a hot British guy after her for information she swears she doesn’t have.

Before Diamond was a widow, she was a CIA agent with lethal skills. Skills she nearly used on herself. An intervention puts her on Dr. Ransom’s couch and squarely in the middle of a high-stakes game of blackmail, kidnapping, and murder. From a video gaming Beastmaster in Michigan, to a suicide bomber in Virginia, to a psychiatric conference in the south of France, Diamond jumps in with her usual flair for chaos and destruction. But Fate isn’t satisfied, pushing Diamond into a position where it is either her or the person she cares for most.

“A fun addition to Wolff’s Diamond series. Fast-paced and chock-full of enough hard-boiled humor to make Raymond Chandler jealous. With a chapter title like ‘Naked Man Surfing and Other Odd Hobbies’ and a line like ‘Being dead isn’t as much fun as I thought it would be’—how can a reader go wrong?” —Michael Bruce Blackwell, author of Wildlife on the Serengeti

“Salty, sarcastic, tough as they come, Diamond is a woman you want by your side, not in your rearview mirror. TG Wolff proves she is on top of her game with her latest Diamond Mystery.” —Stephen Burdick, author of Yesterday Rising and The Gray Detective

TG Wolff recently spent some time with The Big Thrill discussing her latest thriller, PYSCHO THERAPY.

Can you pinpoint a moment or incident that sparked the idea for this book?
From the beginning, this was going to be a 3 part story, following Diamond’s movement through the stages of grief over the death of her husband. Acceptance was the hardest to write.

TG Wolff

A novel is such a major undertaking; there’s the writing of it, of course, then you’re spending months and months revising, polishing, and then promoting it. How did you know this was the book you wanted to spend the next couple of years on?
I love being in this world. They characters constantly jockey for space on the page. Whether writing or editing, it’s never boring.

When you first created your protagonist for this book, did you see an empty space in crime lit that you wanted to fill? What can you share about the inspiration for that character?
I wanted to do a take on the classic PI, one that has nothing to lose. I knew she was female and had a science background. In taking away the thing she loved most (i.e. her husband), I inadvertently made a character I had to work like hell to keep alive.

In addition to a great read, what do you hope readers will take away from this story?
This story is 90% about the joy of reading. If there is something to be taken away, I think it is that when you feel like you are absolutely alone, take a hard look around. None of us are islands.

What can you share about what you’re working on next?
I am currently writing the 4th installment of the De La Cruz Casefile series, working title is Playing Dead. After, I have several stand alone mysteries I want to focus on completing. I am also working on a podcast with my son, Jack, called Mysteries to Die For, where we challenge listeners (and readers) to beat the detective to the solution.


TG WOLFF writes thrillers and mysteries that play within the gray area between good and bad, right and wrong. Cause and effect drive the stories, drawing from twenty-plus years’ experience in civil engineering, where “cause” is more often a symptom of a bigger, more challenging problem. Diverse characters mirror the complexities of real life and real people, balanced with a healthy dose of entertainment. TG Wolff holds a master’s degree in civil engineering and is a member of Mystery Writers of America and Sisters in Crime.

To learn more about the author and her work, please visit her website.