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Follow the Rollback series by Michael C Grumley in order, with book summaries, series background, and where to start with Mike Mansfield's high tech surveillance thrillers.

Last updated: December 23, 2025

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Publication Order

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3 books

1
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The Circle

by Michael C Grumley

2026

In the third Rollback novel, Mike Mansfield faces the full consequences of a world where almost every moment is recorded and can be reconstructed. With powerful players closing ranks around the surveillance system he helped expose, he must decide how much he is willing to risk to break their circle of control.

2

The Mirage

by Michael C Grumley

2025

Mike Mansfield and his invisibles agree to help a family understand a supposedly straightforward tragedy, only to find an official story built to mislead. As they dig past the comforting narrative, Mansfield realizes he is being watched and that the truth behind the case threatens people who will gladly erase him to keep it buried.

3

Rollback

by Michael C Grumley

2025

Mike Mansfield has spent years quietly finding people no one else can, helped by a loose network of watchers he calls invisibles. When billionaire David Bruni's new supercomputer exposes the hidden trick behind Mansfield's success, the two men and an INTERPOL agent are pulled into a dangerous experiment in global surveillance and justice.

Series background & context

The Rollback series introduces Mike Mansfield, a middle aged investigator who is most comfortable operating in the shadows. He has a rough sense of humor, a very strict personal code, and a small network of trusted helpers he calls his invisibles, people who see things others overlook and quietly pass information his way.

In Rollback Mansfield's anonymous career of finding missing people and righting certain wrongs collides with an even bigger secret. David Bruni, a wealthy technologist, has been quietly building a supercomputer system that can stitch together billions of images from phones, traffic cameras, doorbells, and other sources into moving snapshots of almost any moment in time. While testing the system, he discovers the trick behind Mansfield's uncanny success and realizes this stubborn investigator is the key piece he did not know he was missing.

What begins as a tense meeting between two very different men soon spirals into a story about power, privacy, and justice. Bruni did not spend a fortune on his surveillance engine out of idle curiosity. He has a deeply personal reason for wanting to look backward and forward through the world's digital memory, and he is willing to bend laws and ethics to achieve it.

A third major character, INTERPOL agent Leslie Salazar, rounds out the triangle. She brings global jurisdiction and her own stake in seeing certain crimes fully exposed, but partnering with Mansfield and Bruni means walking a tightrope between what is legal and what is right. As the three of them cross paths with kidnappers, corrupt officials, and people who thought their worst acts were invisible, the consequences of the technology become impossible to ignore.

The Mirage finds Mansfield and his invisibles working to help a grieving family make sense of a tragedy that never felt quite real. The official explanation is neat and convenient, the kind of story designed to stop questions instead of answering them. When they start pulling on loose threads, they uncover a manufactured narrative that was meant to distract everyone from something larger moving under the surface.

The planned third book, The Circle, is set to pull those threads even tighter, bringing Mansfield into direct conflict with the forces who believe they alone should control the system that can see nearly everything. Taken together, the Rollback novels explore what happens when near total information awareness collides with human motives that are anything but pure.

Expect a blend of investigative work, cutting edge surveillance concepts, and a found family of operatives who rely on trust more than badges. The tone is firmly thriller, but the questions about how much of ourselves we give away every time we take a picture or step in front of a camera linger long after the action scenes end.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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All 3 Rollback Books in Order (Complete List 2026)