Who Put That Hair in My Toothbrush?
Tandem Library 1984
Great fit for 4th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- sibling rivalry
- family
- growing up
- identity
- empathy
- humor
- school life
- pranks
About this book
Told in alternating chapters by bickering siblings Megin and Greg, this funny, true-to-life story captures the ups and downs of family life and growing up. Their prank wars and daily battles feel real and relatable, but underneath the jokes is a warm look at how brothers and sisters learn to understand each other. Spinelli’s humor, quick pacing, and authentic voice make it an easy sell to middle graders. Perfect for readers who enjoy realistic school and family stories with heart.
Setting: suburban Pennsylvania, contemporary (1980s)
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Frequently Asked Questions
Is Who Put That Hair in My Toothbrush? right for my child?
Yes — Who Put That Hair in My Toothbrush? is a great fit for 4th grade. The reading level is AR 4.7, 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 sibling rivalry, family, growing up.
How long does it take to read Who Put That Hair in My Toothbrush??
At a typical 4th grade reading pace, Who Put That Hair in My Toothbrush? takes around 6.5h to finish. The book has 58,000 words. Slower or faster readers may vary significantly.
Does Who Put That Hair in My Toothbrush? have an AR quiz?
Yes — Who Put That Hair in My Toothbrush? has an AR quiz available, worth 7 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 Who Put That Hair in My Toothbrush??
Who Put That Hair in My Toothbrush? has an AR reading level of 4.7, 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.