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The Weakness (Animorphs #37) book cover

The Weakness (Animorphs #37)

by K. A. Applegate

Scholastic Inc. 2017

★★★★★

Great fit for 4th grade

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

Themes include morality in wartime

4th grade English Juvenile Fiction
107
Pages
5
AR Points
3.7h
Read time
AR Quiz Available

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Genre

Science Fiction

Themes

  • leadership and responsibility
  • courage under pressure
  • teamwork
  • morality in wartime
  • identity
  • loyalty
  • consequences of choices
  • resistance against oppression

About this book

With Jake out of town, the Animorphs discover a new danger and have to act fast—without their usual leader. Rachel steps up to make the calls, learning that leadership means more than bravery; it means choosing risks and living with the consequences. High-stakes missions, fast action, and tough moral questions drive this entry in the series. Perfect for fans who like thrilling sci‑fi with strong characters and big decisions.

Setting: present-day suburban America during a covert alien invasion

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Frequently Asked Questions

Is The Weakness (Animorphs #37) right for my child?

Yes — The Weakness (Animorphs #37) is a great fit for 4th grade. The reading level is AR 4.3, which is typical for 4th 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 leadership and responsibility, courage under pressure, teamwork.

How long does it take to read The Weakness (Animorphs #37)?

At a typical 4th grade reading pace, The Weakness (Animorphs #37) takes around 3.7h to finish. The book has 33,000 words. Slower or faster readers may vary significantly.

Does The Weakness (Animorphs #37) have an AR quiz?

Yes — The Weakness (Animorphs #37) 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 Weakness (Animorphs #37)?

The Weakness (Animorphs #37) has an AR reading level of 4.3, which places it at a 4th 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.