THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북)
by Ron Roy
2008
Great fit for 3rd grade
Reading level and content both target K–3rd grade · ages 5–9
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Genre
Themes
- friendship
- teamwork
- problem-solving
- honesty
- crime and justice
- curiosity
- resourcefulness
- counterfeiting
About this book
On a picnic to a small island, friends Dink, Josh, and Ruth Rose discover a hundred-dollar bill—and soon stumble on a hidden cave stuffed with cash. The trio follows clues and uses teamwork to figure out who’s behind the suspicious money. Fast-paced chapters, clear clues, and plenty of humor make this an inviting mystery for new chapter-book readers. Great for grades 2–4 who enjoy solving puzzles alongside the characters.
Setting: a small river island near Green Lawn, Connecticut; present day
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Frequently Asked Questions
Is THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북) right for my child?
Yes — THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북) is a great fit for 3rd grade. The reading level is AR 3.7, 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 friendship, teamwork, problem-solving.
How long does it take to read THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북)?
At a typical 3rd grade reading pace, THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북) takes around 1.3h to finish. The book has 10,800 words. Slower or faster readers may vary significantly.
Does THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북) have an AR quiz?
Yes — THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북) has an AR quiz available, worth 1 point. 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 INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북)?
THE INVISIBLE ISLAND(A TO Z MYSTERIES)(챕터북) has an AR reading level of 3.7, 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.