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Book · by Rick Riordan

How many pages is The Sea of Monsters?

The Sea of Monsters by Rick Riordan has a median of 279 pages across 14 English-language print editions with a recorded page count; the middle half of editions run 274 to 300 pages.

Median pages
279
14 editions counted
Range
128–362
shortest to longest edition
Reading time
4.9h
at 260 wpm (fiction average)
Words (est.)
77k
at 275 words per page
Book 2 of Percy Jackson & the Olympians
Series in order

How long will The Sea of Monsters take you?

Starts at the fiction average of 260 words per minute and 275 words per page. Move the slider to your own speed.

Reading time
4 h 55 min
At 30 min a day
10 days
At 1 hour a day
5 days

Page count of every edition, by year

Each dot is one English-language print edition. Shaded: middle half of editions. Line: median.

10020030020102015202020252006: 362 pages2006: 265 pages2006: 361 pages2006: 279 pages2006: 279 pages2007: 279 pages2007: 279 pages2008: 288 pages2013: 272 pages2013: 128 pages2013: 272 pages2025: 288 pages2025: 320 pages2025: 304 pagesmedian 279
100200300201020202006: 362 pages2006: 265 pages2006: 361 pages2006: 279 pages2006: 279 pages2007: 279 pages2007: 279 pages2008: 288 pages2013: 272 pages2013: 128 pages2013: 272 pages2025: 288 pages2025: 320 pages2025: 304 pagesmedian 279
Open Library edition records (2026-09-30 dump).

Pages by format

Hardcover, paperback and mass-market editions are typeset differently, so the same text can run to more or fewer pages.

FormatMedian pagesEditionsReading time
Hardcover32025 h 38 min
Paperback27944 h 55 min

Editions counted

The 14 editions behind the figures above, newest first. 1 more edition was set aside because the page count was less than half or more than 2.2 times the median, which usually means an abridged text, an omnibus, or a typing error. Open Library lists 84 editions of this work in all languages and formats.

YearPublisherFormatPagesOpen Library
2025Penguin Books, Limited–288OL60840017M
2025Disney Publishing Worldwide–320OL60892827M
2025Penguin Books, Limited–304OL57741482M
2013Puffin–272OL28508808M
2013Bound to Stay Bound Books–128OL53339509M
2013Puffin–272OL28508807M
2008Puffinpaperback288OL26709236M
2007MiramaxPaperback279OL8493330M

More by Rick Riordan

All 27 books by Rick Riordan with page counts

Questions

How many pages is The Sea of Monsters?
About 279 pages: that is the median of 14 English-language print editions on Open Library. Editions range from 128 to 362 pages.
How long does it take to read The Sea of Monsters?
About 4 h 55 min at 260 words per minute, assuming 275 words per page. At 30 minutes a day that is 10 days.
How many words is The Sea of Monsters?
Roughly 77,000 words, estimated from the median page count at 275 words per page. Open Library does not record word counts, so this is an estimate.

Data: Open Library monthly data dumps (works, editions, authors, reading log, ratings) (Open Library / Internet Archive); How many words do we read per minute? A review and meta-analysis of reading rate (Marc Brysbaert, Journal of Memory and Language 109 (2019)); Wikidata: part of the series (P179) and series ordinal (Wikimedia Foundation / Wikidata contributors).