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The Secret of the Old Clock book cover

The Secret of the Old Clock

The Original 1930 Edition Featuring Nancy Drew

by Carolyn Keene

2026

Nancy Drew Mystery Stories

Great fit for 5th grade

Reading level and content both target 4th–8th grade · ages 9–14

5th grade English Fiction
5
AR Points
4.0h
Read time
AR Quiz Available

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Genre

Mystery

Themes

  • resourcefulness
  • justice
  • independence
  • friendship
  • perseverance
  • problem-solving
  • integrity
  • community

About this book

This classic first Nancy Drew mystery introduces a clever, independent teen sleuth who’s determined to help a family in need and solve the riddle of a missing will. When an old clock may hold the key to a long-lost inheritance, Nancy follows clues around her hometown and outwits a few unfriendly rivals along the way. Fast-paced chapters, puzzles, and a confident heroine make it an inviting choice for middle-grade readers. Fans love the smart deductions, suspenseful twists, and the feel of a timeless detective adventure.

Setting: River Heights and the surrounding countryside, Midwestern United States, 1930s

Frequently Asked Questions

Is The Secret of the Old Clock right for my child?

Yes — The Secret of the Old Clock is a great fit for 5th grade. The reading level is AR 5.4, 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 resourcefulness, justice, independence.

How long does it take to read The Secret of the Old Clock?

At a typical 5th grade reading pace, The Secret of the Old Clock takes around 4.0h to finish. The book has 39,500 words. Slower or faster readers may vary significantly.

Does The Secret of the Old Clock have an AR quiz?

Yes — The Secret of the Old Clock has an AR quiz available, worth 5 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 The Secret of the Old Clock?

The Secret of the Old Clock has an AR reading level of 5.4, 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.