Keeper of the Lost Cities Illustrated & Annotated Edition
Book One
Simon and Schuster 2020
Great fit for 4th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- identity and belonging
- friendship
- found family
- secrets and conspiracies
- courage
- loyalty and trust
- destiny and responsibility
- self-discovery
About this book
Twelve-year-old Sophie Foster has always felt out of place—until a life-changing secret reveals she belongs to a hidden world of elves, abilities, and long-buried mysteries. As she starts at an elite academy and learns to control her telepathy, Sophie discovers she may be the key to a dangerous puzzle others are desperate to solve. Fast-paced action, school drama, and witty banter make this a favorite for fans of epic world-building and found-family stories. Ideal for strong middle-grade readers who love fantasy adventures with heart and humor.
Setting: modern-day San Diego and a hidden elvin world (the Lost Cities), including the Foxfire academy
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Frequently Asked Questions
Is Keeper of the Lost Cities Illustrated & Annotated Edition right for my child?
Yes — Keeper of the Lost Cities Illustrated & Annotated Edition is a great fit for 4th grade. The reading level is AR 4.5, 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 identity and belonging, friendship, found family.
How long does it take to read Keeper of the Lost Cities Illustrated & Annotated Edition?
At a typical 4th grade reading pace, Keeper of the Lost Cities Illustrated & Annotated Edition takes around 13h to finish. The book has 119,000 words. Slower or faster readers may vary significantly.
Does Keeper of the Lost Cities Illustrated & Annotated Edition have an AR quiz?
Yes — Keeper of the Lost Cities Illustrated & Annotated Edition has an AR quiz available, worth 16 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 Keeper of the Lost Cities Illustrated & Annotated Edition?
Keeper of the Lost Cities Illustrated & Annotated Edition has an AR reading level of 4.5, 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.