Keeper of the Lost Cities: Books in Order
Shannon Messenger's Keeper of the Lost Cities follows Sophie Foster into a hidden elvin world across a long, tightly-plotted series. The cliffhangers make order essential.
9 books · publication order · Grades 5–9 (ages 10–14).
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Reading order source: Wikipedia: Keeper of the Lost Cities, checked 2026-10-21. Grade ranges and Lexile measures come from each book's ReadingList record (see the methodology on its book page).
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