Book Series · 3 Books

Marnie's Medical Mysteries Books

In order from The Plague Files to The Rabies Files.

The Marnie's Medical Mysteries series is a set of 3 chapter books, published between 2025 and 2026. Written for ages 9–12, most books run about 30 pages.

The Plague Files
The Rabies Files
The Smallpox Files
The Plague Files
The Rabies Files
Where the story begins

First Book in the Series

The Plague Files
Sale price
$958
Book #1 · Chapter Book · Ages 9–12 · 2025

The Plague Files

Uncover the hidden truths behind the bubonic plague with a young detective and her AI partner.

32 pages· 2,506 words· Est. 17 min read
$9.99Save 4%
Paperback
Summary: Marnie, a curious student, and her AI companion, Glitch, dive into the mysteries of the bubonic plague for a school project. As they unravel the origins and spread of this deadly disease, they uncover surprising truths about historical and modern medicine. With the stakes high, Marnie must connect the dots between past and present to understand how science combats infectious diseases today. Will their investigation reveal secrets that could change our understanding of medical history? Join Marnie on a thrilling journey through time, where every clue could lead to a groundbreaking discovery.
The complete set

Marnie's Medical Mysteries Series

3 books · Published 2025–2026

Sale price
$958

The Plague Files

Chapter Book · Ages 9–12 · 2025

Uncover the hidden truths behind the bubonic plague with a young detective and her AI partner.

Sale price
$958

The Rabies Files

Chapter Book · Ages 9–12 · 2026

Uncover the mystery of rabies with Marnie and her AI sidekick.

Sale price
$958

The Smallpox Files

Chapter Book · Ages 9–12 · 2026

Uncover the mystery of smallpox's eradication with Marnie and her AI sidekick.

Good to know

Common Questions

How many books are in the Marnie's Medical Mysteries series?

There are 3 books in the Marnie's Medical Mysteries series. It began with The Plague Files in 2025, and the newest book, The Smallpox Files, was published in 2026.

What ages are the Marnie's Medical Mysteries books best for?

The series is best for ages 9–12, based on the age ranges of the individual books.

Which Marnie's Medical Mysteries book is the longest?

The Smallpox Files is the longest book in the series at 2,900 words (32 pages).

Which Marnie's Medical Mysteries book is the shortest?

The Plague Files is the shortest at 2,506 words (32 pages).

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