20,000 baseball cards under the sea
by Jon Buller
Random House 1991
Great fit for 3rd grade
Reading level and content both target K–3rd grade · ages 5–9
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Genre
Themes
- adventure
- teamwork
- resourcefulness
- perseverance
- humor
- collecting
About this book
This humorous early chapter book spoofs Jules Verne as two kids team up with a quirky inventor for an underwater quest tied to a treasure trove of baseball cards. Short chapters, lively illustrations, and lots of action keep new readers turning pages. Baseball fans will enjoy the card-collecting angle, while adventure lovers will giggle at the undersea mishaps. It’s a fun pick for emerging readers ready for a slightly longer, laugh-filled story.
Setting: a seaside town and under the ocean in a small submarine, present day
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Frequently Asked Questions
Is 20,000 baseball cards under the sea right for my child?
Yes — 20,000 baseball cards under the sea 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 adventure, teamwork, resourcefulness.
How long does it take to read 20,000 baseball cards under the sea?
At a typical 3rd grade reading pace, 20,000 baseball cards under the sea takes around 13m to finish. The book has 1,700 words. Slower or faster readers may vary significantly.
Does 20,000 baseball cards under the sea have an AR quiz?
Yes — 20,000 baseball cards under the sea 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 20,000 baseball cards under the sea?
20,000 baseball cards under the sea 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.