Children's ✦ Penny’s Take
Book 3
Katherine E. A. Korkidis · 2025
72/100
👍 Worth It
Wrapping the discovery of penicillin inside a time-travel adventure is smart — kids get the historical drama of Fleming's accidental breakthrough plus the Science Primer to dig deeper, which makes this genuinely useful in classrooms and at home. The series-dependent structure and thin independent critical coverage are real limitations, but for a STEM-curious middle-grader, this is a well-intentioned and likely engaging read.
✦ Penny’s Take — this is The Review Group’s own editorial assessment. Penny’s analytical review line researched this book from real sources and scored it across the lenses shown below. It’s an honest first-party read — not a page-by-page personal one. The gold ✓ Penny Tested mark is reserved for books Penny reads cover to cover herself.
📚 Buy the book ↗📱 Read on Kindle ↗🎧 Listen on Audible ↗ affiliate links · support the site, never the verdict
As an Amazon Associate and Audible affiliate, Penny earns from qualifying purchases. This never affects the verdict — see our affiliate disclosure.
Show the math
Verdict receipt0–100
safety98
substance74
craft68
originality70
accuracy78
hype80
age-fit90
human-eye68
Penny’s verdict72
Cross-pollinate