City of Thirst
by Carrie Ryan and John Parke Davis · The Map to Everywhere #2
A magical adventure where friendship means choosing someone again and again, even when it costs you.
The story
When the magical Pirate Stream floods back into her world, twelve-year-old Marrill must leave her seriously ill mother behind to rejoin her best friend Fin and the crew of the Enterprising Kraken. Together they race to a mysterious vertical city to stop a catastrophic force called the Iron Tide — but stopping it may mean giving up the one wish that could save her mother.
Age verdict
Best for ages 9-12. The adventure elements are accessible to 8-year-olds, but the emotional complexity — a mother's serious illness, bittersweet endings, and moral ambiguity — benefits from some maturity. Not a first-fantasy recommendation for sensitive readers under 10.
Our take
A solidly entertaining middle-grade fantasy adventure that delivers stronger kid engagement than adult or educational value — the adventure, emotional depth, and world-building create genuine child appeal, while the fantasy setting limits real-world relevance and classroom application.
What stands out
Each audience's top 3 dimensions. Out of 30 scored per book.
Kids love
- First-chapter grab Strong
Multiple hooks converge in the opening pages — a magical cloud-catching net, a mother's emergency surgery, a mysterious stop-sign message, and a speaking frog — creating four simultaneous types of stakes. Stronger than Brave New World's (6) intellectual hook but not as instantly kid-grounded as Lunch Lady's (8) cafeteria-line opening; closest to All the Broken Pieces (7) with its combined emotional and mystery stakes.
- Middle momentum Strong
Nearly every chapter ends on a cliffhanger or plot twist, with constant location changes and new obstacles preventing any sag. Three concurrent tension tracks (external threat, personal quests, emotional stakes) create relay-race momentum — comparable to Breakout (7) with its ticking-clock multi-format structure, stronger than Hard Luck's (6) social-escalation pacing.
Parents love
- Emotional sophistication Solid
Characters hold contradictory feelings simultaneously — Marrill wants to save her mother AND stay with Fin, Fin craves connection AND expects rejection, Ardent seeks knowledge AND dreads what he'll find. The book models emotional complexity without labeling it. Comparable to Brave New World (6) for presenting emotions readers may not have encountered in fiction; stronger than Tom Gates (5) for sustained emotional layering.
- Reading gateway Solid
Accessible prose, immediate magical stakes, and a relatable protagonist lower entry barriers despite the 400-page length. The adventure hooks readers who might be intimidated by page count alone, and chapter cliffhangers create natural momentum. Comparable to City Spies (6) with short chapters, immediate stakes, and proven appeal; the page count prevents reaching Clementine (7) territory.
Teachers love
- Read-aloud power Solid
Conversational dialogue reads aloud naturally with light tags, and the Colloquy of Pickled Pate's dialect verse has a rhythmic, performable quality. Ardent's theatrical voice invites dramatic reading. Multiple character voices provide variety for classroom performance. Comparable to A Court of Mist and Fury (6) for rhythmically strong prose with performable dialogue and effective subtext.
- Classroom versatility Solid
Works for read-aloud, independent reading, and literature circles. Distinct character voices support multiple-reader performance. Action sequences can teach pacing and tension in writing workshops. Comparable to Fantastic Mr Fox (6) for functioning across multiple classroom formats with age-appropriate content.
✓ Perfect for
- • readers who love portal fantasy with emotional depth
- • kids who enjoyed Percy Jackson or The Girl Who Drank the Moon
- • middle-graders ready for adventure stories that take feelings seriously
- • fans of stories about friendship tested by impossible choices
Not ideal for
Readers who prefer standalone stories or want light, consequence-free adventure — this book requires investment in a series and sits with uncomfortable emotions like helplessness and loss.
At a glance
- Pages
- 400
- Chapters
- 34
- Words
- 95k
- Lexile
- 670L
- Difficulty
- Moderate
- POV
- Third Person Limited
- Illustration
- None
- Published
- 2015
- Publisher
- Little, Brown Books for Young Readers
Mood & style
You'll know it worked when…
Ends with immediate threat resolved but major questions open — readers who finish will want Book 3 to learn what happens next. The ending feels complete emotionally but incomplete narratively.
More like this
Same genre, similar age range. Ranked by kid score.
Harry Potter and the Philosopher's Stone
by J.K. Rowling
Bone #4: The Dragonslayer
by Jeff Smith
Wings of Fire: The Hidden Kingdom
by Tui T. Sutherland
The Neverending Story
by Michael Ende
Want more picks like this?
Get 5 hand-picked book reviews for your child's age — one email a month.