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Book · by Robert A. Heinlein

How many pages is The Number of the Beast?

The Number of the Beast by Robert A. Heinlein has a median of 511 pages across 8 English-language print editions with a recorded page count; the middle half of editions run 511 to 544 pages.

Median pages
511
8 editions counted
Range
511–555
shortest to longest edition
Reading time
9.0h
at 260 wpm (fiction average)
Words (est.)
141k
at 275 words per page

How long will The Number of the Beast 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
9 h
At 30 min a day
19 days
At 1 hour a day
10 days

Page count of every edition, by year

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

500520540560198019902000201020201980: 511 pages1980: 555 pages1980: 511 pages1981: 555 pages1982: 511 pages1982: 511 pages1986: 511 pages2022: 540 pagesmedian 511
5005205405601980200020201980: 511 pages1980: 555 pages1980: 511 pages1981: 555 pages1982: 511 pages1982: 511 pages1986: 511 pages2022: 540 pagesmedian 511
Open Library edition records (2026-09-30 dump).

Editions counted

The 8 editions behind the figures above, newest first. Open Library lists 19 editions of this work in all languages and formats.

YearPublisherFormatPagesOpen Library
2022Arc Manor–540OL38057306M
1986Fawcett–511OL7563858M
1982Ballantine–511OL16933144M
1982Fawcett Gold MedalMass Market Paperback511OL24215590M
1981New English Library–555OL17357654M
1980Fawcett ColumbinePaperback511OL4102318M
1980New English Library–555OL22364067M
1980Fawcett ColumbinePaperback511OL23255912M

More by Robert A. Heinlein

All 12 books by Robert A. Heinlein with page counts

Questions

How many pages is The Number of the Beast?
About 511 pages: that is the median of 8 English-language print editions on Open Library. Editions range from 511 to 555 pages.
How long does it take to read The Number of the Beast?
About 9 h at 260 words per minute, assuming 275 words per page. At 30 minutes a day that is 19 days.
How many words is The Number of the Beast?
Roughly 141,000 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)).