
na
by
Great fit for 3rd grade
Reading level and content both target K–3rd grade · ages 5–9
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Genre
Themes
- friendship
- teamwork
- problem-solving
- curiosity
- community
- perseverance
About this book
In this A to Z Mysteries adventure, best friends Dink, Josh, and Ruth Rose spend a summer day on a small island that seems to disappear with the tide—and stumble onto a puzzling clue. Their curiosity turns a simple picnic into a kid-friendly whodunit as they follow leads, interview neighbors, and piece together a mystery. Short chapters, lively illustrations, and plenty of action make it perfect for newly independent readers building confidence. Fans love the teamwork, humor, and satisfying, safe thrills.
Setting: a small New England town and a tidal river island in summer
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Frequently Asked Questions
Is na right for my child?
Yes — na is a great fit for 3rd grade. The reading level is AR 3.6, which is typical for 3rd grade. The interest level is rated Lower Grades (K–3), meaning the themes and content are designed for ages 5–9 (K–3rd grade). Themes include friendship, teamwork, problem-solving.
How long does it take to read na?
At a typical 3rd grade reading pace, na takes around 1.3h to finish. The book has 10,500 words. Slower or faster readers may vary significantly.
Does na have an AR quiz?
Yes — na has an AR quiz available, worth 1 point. 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 na?
na has an AR reading level of 3.6, which places it at a 3rd grade reading difficulty. The interest level is rated Lower Grades (K–3) — 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.