Hardy Boys 12: Footprints Under the Window
National Geographic Books 1933
Great fit for 5th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- brotherhood and teamwork
- courage under pressure
- espionage and intrigue
- problem-solving and deductive reasoning
- loyalty and family
- justice vs. crime
- perseverance
About this book
Frank and Joe Hardy race to stop a spy ring after a mysterious stowaway warns them about sinister 'footprints' tied to a plot against the U.S. space program. When important papers disappear from their father’s files, the brothers follow clues from Bayport to islands off the coast of South America. Fast-paced chases, sneaky suspects, and clever detective work keep readers turning pages. Great for kids who like classic mysteries, sibling teamwork, and globe-trotting adventure without heavy violence.
Setting: Bayport, New York, and islands off the coast of South America; mid-20th century/Cold War era
Frequently Asked Questions
Is Hardy Boys 12: Footprints Under the Window right for my child?
Yes — Hardy Boys 12: Footprints Under the Window is a great fit for 5th grade. The reading level is AR 5.6, which is typical for 5th grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include brotherhood and teamwork, courage under pressure, espionage and intrigue.
How long does it take to read Hardy Boys 12: Footprints Under the Window?
At a typical 5th grade reading pace, Hardy Boys 12: Footprints Under the Window takes around 3.9h to finish. The book has 39,000 words. Slower or faster readers may vary significantly.
Does Hardy Boys 12: Footprints Under the Window have an AR quiz?
Yes — Hardy Boys 12: Footprints Under the Window has an AR quiz available, worth 6 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is Hardy Boys 12: Footprints Under the Window?
Hardy Boys 12: Footprints Under the Window has an AR reading level of 5.6, which places it at a 5th grade reading difficulty. The interest level is rated Middle Grades (4–8) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.