The Plague Files
The devastating bubonic plague of the 1300s killed millions—but science sleuth Marnie and her trusted AI sidekick Glitch discover there's more to the story when they research the plague for a school assignment. How did the plague start, and how did it spread? How do scientists and doctors work today to stop the spread of similar infectious diseases? Marnie is on the case to learn about Black Death and what it taught humanity about disease, medicine, and the power of science. 

A fun graphic approach, diverse characters, and accessible text tell this thrilling story of medical history in a high-interest format.

Marnie's Medical Mysteries was developed in collaboration with Nipunie Rajapakse, M.D., pediatric infectious diseases physician at the Mayo Clinic Children’s Center. She completed a Master of Public Health at the Harvard T.H. Chan School of Public Health and previously worked as a consultant with the World Health Organization.

Mayo Clinic Press Kids creates empowering health and wellness content in partnership with pediatric experts. Proceeds from the sale of every book go to benefit important medical research and education at Mayo Clinic.
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The Plague Files
The devastating bubonic plague of the 1300s killed millions—but science sleuth Marnie and her trusted AI sidekick Glitch discover there's more to the story when they research the plague for a school assignment. How did the plague start, and how did it spread? How do scientists and doctors work today to stop the spread of similar infectious diseases? Marnie is on the case to learn about Black Death and what it taught humanity about disease, medicine, and the power of science. 

A fun graphic approach, diverse characters, and accessible text tell this thrilling story of medical history in a high-interest format.

Marnie's Medical Mysteries was developed in collaboration with Nipunie Rajapakse, M.D., pediatric infectious diseases physician at the Mayo Clinic Children’s Center. She completed a Master of Public Health at the Harvard T.H. Chan School of Public Health and previously worked as a consultant with the World Health Organization.

Mayo Clinic Press Kids creates empowering health and wellness content in partnership with pediatric experts. Proceeds from the sale of every book go to benefit important medical research and education at Mayo Clinic.
8.99 Pre Order
The Plague Files

The Plague Files

The Plague Files

The Plague Files

eBook

$8.99 
Available for Pre-Order. This item will be released on November 4, 2025

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Overview

The devastating bubonic plague of the 1300s killed millions—but science sleuth Marnie and her trusted AI sidekick Glitch discover there's more to the story when they research the plague for a school assignment. How did the plague start, and how did it spread? How do scientists and doctors work today to stop the spread of similar infectious diseases? Marnie is on the case to learn about Black Death and what it taught humanity about disease, medicine, and the power of science. 

A fun graphic approach, diverse characters, and accessible text tell this thrilling story of medical history in a high-interest format.

Marnie's Medical Mysteries was developed in collaboration with Nipunie Rajapakse, M.D., pediatric infectious diseases physician at the Mayo Clinic Children’s Center. She completed a Master of Public Health at the Harvard T.H. Chan School of Public Health and previously worked as a consultant with the World Health Organization.

Mayo Clinic Press Kids creates empowering health and wellness content in partnership with pediatric experts. Proceeds from the sale of every book go to benefit important medical research and education at Mayo Clinic.

Product Details

ISBN-13: 9798887702469
Publisher: Mayo Clinic Press Kids
Publication date: 11/04/2025
Series: Marnie's Medical Mysteries
Sold by: Barnes & Noble
Format: eBook
Pages: 32
Age Range: 9 - 12 Years

About the Author

Ruth Redford is a freelance editor and author based in the United Kingdom. She loves writing and researching non-fiction projects and is the author of Period: The Quick Guide to Every Uterus.

Jake Hill grew up in North London, but escaped to the South coast to study illustration and decided to stay by the sea, swimming (almost) every morning. Aside from his love of drawing, Jake is an avid reader, a meticulous collector of comics, a terrible, but improving pianist and a passionate player of games.

Nipunie Rajapakse, M.D., is a Pediatric Infectious Diseases Physician at the Mayo Clinic Children’s Center. She completed a Master of Public Health at the Harvard T.H. Chan School of Public Health and previously worked as a consultant with the World Health Organization.
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