Mary Moon is missing
Viking 1998
Great fit for 3rd grade
Reading level and content both target K–3rd grade · ages 5–9
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Genre
Themes
- responsibility
- friendship
- problem-solving
- honesty
- teamwork
- perseverance
- school life
- pets and animal care
About this book
When the beloved class pet, Mary Moon, suddenly disappears, a determined young sleuth springs into action to crack the case. With short chapters, school-day humor, and plenty of clues, this early mystery invites readers to follow along, make predictions, and cheer for teamwork. It’s a gentle, suspenseful read perfect for kids moving into longer chapter books. Fans of school stories and pet adventures will enjoy the quick pace and satisfying detective work.
Setting: an elementary school and surrounding neighborhood
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Frequently Asked Questions
Is Mary Moon is missing right for my child?
Yes — Mary Moon is missing is a great fit for 3rd grade. The reading level is AR 3.2, 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 responsibility, friendship, problem-solving.
How long does it take to read Mary Moon is missing?
At a typical 3rd grade reading pace, Mary Moon is missing takes around 1.1h to finish. The book has 9,000 words. Slower or faster readers may vary significantly.
Does Mary Moon is missing have an AR quiz?
Yes — Mary Moon is missing 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 Mary Moon is missing?
Mary Moon is missing has an AR reading level of 3.2, 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.