Keeper of the Lost Cities Books in Order

Keeper of the Lost Cities books in order, with publishing statistics, sourced reading-level data and facts explaining Unlocked and the companion entries.

Facts & statistics

  • 9published novels
  • 2companion books

Keeper of the Lost Cities Books in Publication Order

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  1. Keeper of the Lost Cities2012NovelSeries #1
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  2. Exile2013NovelSeries #2
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  3. Everblaze2014NovelSeries #3
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  4. Neverseen2015NovelSeries #4
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  5. Lodestar2016NovelSeries #5
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  6. Nightfall2017NovelSeries #6
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  7. Flashback2018NovelSeries #7
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  8. Legacy2019NovelSeries #8
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  9. Unlocked2020CompanionSeries #8.5 · guide and novella
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  10. Stellarlune2022Novel2-yr gapSeries #9
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  11. Unraveled2024Companion2-yr gapSeries #9.5 · Keefe’s novel-length story
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How Many Keeper of the Lost Cities Books Are There?

9 published works: 9 novels.

As of October 11, 2026.

Where does Unlocked fit in Keeper of the Lost Cities?

Book 8.5

Unlocked is explicitly labeled book 8.5 and alternates Sophie and Keefe chapters.

Keeper Of The Lost Cities Series - Shannon Messenger
Reference material

Unlocked also contains a guide to the Lost Cities, a map, full-color illustrations, and recipes.

Keeper Of The Lost Cities Series - Shannon Messenger

What reading level are the Keeper of the Lost Cities books?

Lexile range

The curriculum guide gives the first book a Lexile measure of 670L and Legacy (book 8) a measure of 890L.

Keeper of the Lost Cities Curriculum Guide
Certified levels

The PDF says the Lexile measures are certified by MetaMetrics and the books use Fountas & Pinnell leveling.

Keeper of the Lost Cities Curriculum Guide

These measures describe text difficulty, not age suitability or content warnings.

Keeper of the Lost Cities Reading Order Statistics

Publishing span
11 years2012–2022 · inclusive calendar years
Longest release gap
3 years2019–2022 · Legacy to Stellarlune
Recent releases
1 workPublished since 2022

Books Published by Decade

2010s
8
2020s
1

Keeper of the Lost Cities Reading Milestones

Publication-order checkpoints for your reading plan.

25%EverblazeBook 3 of 9 · 2014
50%LodestarBook 5 of 9 · 2016
75%FlashbackBook 7 of 9 · 2018
100%StellarluneBook 9 of 9 · 2022

What Is in the Reading Plan?

9 published works
Novels
9
Novellas & stories
0
Companions outside plan
2
Announced, not published
0

How Long Will It Take?

From book one
Casual1 book / month9 mo
Steady2 books / month5 mo
Fast4 books / month3 mo

These estimates count every published work in the checklist. Use the tracker to calculate from your actual progress.

How This Keeper of the Lost Cities Book List Was Checked

Titles and publication sequence were checked against the publisher or author catalogue. Upcoming books are excluded from the published count, and companions are labeled instead of silently mixed into the main series.

View source: Shannon Messenger official Keeper series guideLast verified October 11, 2026