The Dumat Society cover art

The Dumat Society

Ex Libris, Book 3
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The Dumat Society

By: T. S. Falk
Narrated by: Erika Schindele
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About this listen

Sarah is enjoying a sabbatical from her studies and has found herself in St. Louis, where—for once—life feels good.

She's in love with Derry, a bright and charming math student, surrounded by friends, and her biggest worry is whether she wants to return to her old life as a student.

But her peace is short-lived.

After a horrific murder, Sarah becomes the target of a relentless killer. Her investigation pulls her into the depths of a decades-old mystery involving the disappearance of a group of brilliant mathematicians—once poised to revolutionize their field.

They called themselves The Dumat Society.

From the author of The Ancient Code comes a new thriller for fans of Dan Brown, Michael Crichton, and mystery adventures.

A stand-alone novel that also serves as a sequel to the Ex Libris series.

©2026 T. S. Falk (P)2026 Podium Audio
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