The Plague Files

Marnie and her AI sidekick Glitch investigate the bubonic plague and how scientists cracked the case of Black Death.

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.

Summary

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

• Authors: Ruth Redford, Redford Ruth
• Assisted by: Ricardo Yuji Fujiwara (Illustration), Jake Hill (Illustration)
• Publisher: Ingram Publishers Services
• Languages: English
• Age Recommendation: from age 9
• Product format: Paperback / Softback
• Release: 04.11.2025
• EAN: 9798887702445
• ISBN: 979-8-88770-244-5
• No. of pages: 32
• Illustrations: 4-c illustrations throughout
• Series: Maisie's Medical Mysteries; Marnie's Medical Mysteries
• Subjects: Children's and young people's books > Non-fiction books / Non-fiction picture books > History, politics; History & the past: general interest (Children's / Teenage), JUVENILE NONFICTION / Comics & Graphic Novels / History, Interest age: from c 9 years, Children’s / Teenage general interest: History and the past, Graphic Novels: True Stories & Non-Fiction, Cartoons & comic strips (Children's / Teenage), Natural history (Children's/Teenage)