The Thirteenth Pearl
1979
Nancy Drew Mystery Stories
Great fit for 5th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- mystery and deduction
- courage
- friendship and teamwork
- perseverance
- justice vs. greed
- deception and secrets
- cultural exchange
About this book
When a priceless pearl necklace goes missing, Nancy Drew is called in to track it down. Her search leads from familiar surroundings to Japan, where secretive figures and high-stakes dangers lurk behind elegant storefronts and whispered deals. With help from her friends, Nancy pieces together clues, decodes deceptions, and stays one step ahead of the thieves. Fast-paced and puzzle-filled, this mystery appeals to readers who enjoy clever sleuthing and a confident, resourceful heroine.
Setting: from River Heights to Japan (primarily Tokyo/Kyoto), late 1970s
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Frequently Asked Questions
Is The Thirteenth Pearl right for my child?
Yes — The Thirteenth Pearl 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 mystery and deduction, courage, friendship and teamwork.
How long does it take to read The Thirteenth Pearl?
At a typical 5th grade reading pace, The Thirteenth Pearl takes around 4.3h to finish. The book has 43,000 words. Slower or faster readers may vary significantly.
Does The Thirteenth Pearl have an AR quiz?
Yes — The Thirteenth Pearl 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 Thirteenth Pearl?
The Thirteenth Pearl 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.