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Young Cam Jansen and the 100th Day of School Mystery book cover

Young Cam Jansen and the 100th Day of School Mystery

by David A. Adler

Penguin 2010

★★☆☆☆

Great fit for 2nd grade

Reading level and content both target K–3rd grade · ages 5–9

2nd grade English Juvenile Fiction
36
Pages
0.5
AR Points
7m
Read time
AR Quiz Available

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Genre

Mystery

Themes

  • friendship
  • problem-solving
  • observation
  • school life
  • teamwork
  • responsibility

About this book

It’s the 100th day of school, and Cam Jansen can’t wait for the P-themed party—pretzels, popcorn, pineapple juice, and pizza! When the pizza suddenly disappears, Cam uses her amazing photographic memory to spot the clues and save the celebration. Short chapters, familiar school settings, and plenty of humor make this an inviting mystery for emerging readers. Fans love Cam’s confidence, clever thinking, and the satisfaction of solving a puzzle alongside her.

Setting: an elementary school during a 100th day of school celebration

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Frequently Asked Questions

Is Young Cam Jansen and the 100th Day of School Mystery right for my child?

Yes — Young Cam Jansen and the 100th Day of School Mystery is a great fit for 2nd grade. The reading level is AR 2.4, which is typical for 2nd 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, problem-solving, observation.

How long does it take to read Young Cam Jansen and the 100th Day of School Mystery?

At a typical 2nd grade reading pace, Young Cam Jansen and the 100th Day of School Mystery takes around 7m to finish. The book has 850 words. Slower or faster readers may vary significantly.

Does Young Cam Jansen and the 100th Day of School Mystery have an AR quiz?

Yes — Young Cam Jansen and the 100th Day of School Mystery has an AR quiz available, worth 0.5 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 Young Cam Jansen and the 100th Day of School Mystery?

Young Cam Jansen and the 100th Day of School Mystery has an AR reading level of 2.4, which places it at a 2nd 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.