The Glass Puzzle
by Chris Brodien-Jones
Delacorte Books for Young Readers 2013
Great fit for 4th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- family bonds
- friendship and teamwork
- courage
- Welsh folklore and legend
- time travel
- mystery and puzzles
- good vs. evil
- protecting community
About this book
American cousins Zoé and Ian are spending the summer with their grandfather in the seaside town of Tenby, Wales, when an old glass puzzle unlocks forces tied to the town’s ancient legends. The discovery pulls them into the past and sets off a race to solve riddles and secrets before danger overtakes the island. With atmospheric coastal settings, Welsh folklore, and clever clue-hunting, this is a fast-paced time-slip adventure. Perfect for middle-grade readers who love mysteries, history, and brave teamwork.
Setting: Contemporary Tenby, Wales, with journeys into the island’s historical past
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Frequently Asked Questions
Is The Glass Puzzle right for my child?
Yes — The Glass Puzzle is a great fit for 4th grade. The reading level is AR 4.9, 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 family bonds, friendship and teamwork, courage.
How long does it take to read The Glass Puzzle?
At a typical 4th grade reading pace, The Glass Puzzle takes around 9.1h to finish. The book has 82,000 words. Slower or faster readers may vary significantly.
Does The Glass Puzzle have an AR quiz?
Yes — The Glass Puzzle has an AR quiz available, worth 12 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 Glass Puzzle?
The Glass Puzzle has an AR reading level of 4.9, 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.