Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1
The Night of the Nasty Nostril Nuggets
by Dav Pilkey
Bound to Stay Bound Books 2023
Great fit for 4th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- friendship
- creativity and imagination
- responsibility
- consequences of science/technology
- good vs. evil
- teamwork
- school life
- humor
About this book
When a super-smart classmate’s experiment goes horribly wrong, Melvin Sneedley transforms into the Bionic Booger Boy and starts wreaking gooey havoc. It’s up to prankster pals George and Harold—and their tighty-whitey–clad hero, Captain Underpants—to save the day. Packed with comics, Flip-O-Rama action, and nonstop silliness, this fast-paced chapter book hooks even reluctant readers. Perfect for kids who love outrageous humor and high-energy adventures.
Setting: a present-day elementary school and surrounding town
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Frequently Asked Questions
Is Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 right for my child?
Yes — Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 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 friendship, creativity and imagination, responsibility.
How long does it take to read Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1?
At a typical 4th grade reading pace, Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 takes around 1.4h to finish. The book has 12,600 words. Slower or faster readers may vary significantly.
Does Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 have an AR quiz?
Yes — Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 has an AR quiz available, worth 2 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 Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1?
Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1 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.