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The first in a new series!


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s a young man, Paul McGrath rebelled against his pacifist father by becoming a stand-out Army recruit and the star of his military intelligence unit. But lingering regrets about their relationship make him return home, only to find his father dead, seemingly murdered. When the case ends in a mistrial—after a key piece of evidence disappears—something doesn't smell right to McGrath. So he puts his arsenal of skills to work to find out just how corrupt the legal system is. And to keep digging, he gets himself a job at the courthouse. But not as a lawyer or a clerk...

Now McGrath is a janitor. The perfect cover, it gives him security clearance and access to the entire building. No one notices him, but he notices everyone. He notices when witnesses suddenly change their stories. When jury members reverse their votes during deliberation. When armies of corporate attorneys grind down their small-time adversaries with endless tactical shenanigans. And while McGrath knows that nothing he discovers can undo his past wrongs or save his father, he finds his new position brings him something else: the chance to right current wrongs and save others. And by doing so—just maybe—to find redemption for himself. If the powerful and corrupt don't kill him first...

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Ballantine Books, hardcover, January 2019, ISBN: 978-0525619598


"After successfully carrying out a highly tricky mission in Istanbul that serves to sabotage Iran's nuclear ambitions, U.S. Army intelligence operative Paul McGrath, the hero of this superior thriller from Grant (the Cooper Devereaux series), receives a letter from his estranged father two years after it was written, thanks to the inefficient military mail system. McGrath's choice of career alienated his father, a pacifist, but the senior McGrath offers hope for the two of them to reconcile in the letter. When McGrath finally reaches the house in Westchester he grew up in, he's stunned to learn that his father has died, apparently from a heart attack, following a heated argument with his shady business partner, Alex Pardew. The circumstances immediately trigger guilt in McGrath over his refusal to be that partner. Things get worse when the NYPD suspect McGrath of being behind his father's death, leading McGrath to turn investigator. Grant capably combines a riveting plot and depth of character. His best outing to date, this standalone marks Grant as a rising genre star."
—Publishers Weekly STARRED REVIEW

"Paul McGrath is not just a janitor—he's a terrific new hero in what promises to be a fantastic and original series by Grant. Paul may be invisible... but his results are not in this intense mystery thriller that will leave you wanting more. In a word? Awesome."
—Allison Brennan, New York Times bestselling author of Too Far Gone

"Invisible is a riveting read from cover to cover. I love getting in on the ground floor of a new series, especially when it's sure to be a hit!"
—John Gilstrap, New York Times bestselling author of the Jonathan Grave series

"Invisible is propulsive and engaging from the very first page. Andrew Grant has created a devilishly appealing new protagonist in Paul McGrath—the Janitor—who literally cleans up trouble and defends the defenseless in the most satisfying ways."
—C. J. Box, #1 New York Times bestselling author of the Joe Pickett series

"The masterful Andrew Grant outdoes himself with this deliciously twisty, magnetic thriller. Fiercely redemptive, with its clever, profoundly moving, and altogether captivating David and Goliath hook, Invisible is a winner."
—Sara Blaedel, #1 internationally bestselling author of The Forgotten Girls

"Wonderfully entertaining. Great action. Authentic spy craft. A fascinating new kind of detective, with wit and charm galore. Would that we all had someone like 'the Janitor' to help us."
—David Morrell, New York Times bestselling author of Murder as a Fine Art

"Invisible is the perfect thriller for these perilous and imperfect times. Buy it. Read it. You won't regret it and you won't forget it."
—Lorenzo Carcaterra, #1 New York Times bestselling author of Sleepers and The Wolf