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Book · by Robert A. Heinlein

How many pages is Tunnel in the Sky?

Tunnel in the Sky by Robert A. Heinlein has a median of 272 pages across 11 English-language print editions with a recorded page count; the middle half of editions run 223 to 273 pages.

Median pages
272
11 editions counted
Range
214–273
shortest to longest edition
Reading time
4.8h
at 260 wpm (fiction average)
Words (est.)
75k
at 275 words per page

How long will Tunnel in the Sky 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 48 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.

220240260280196019701980199020001955: 273 pages1965: 273 pages1965: 273 pages1968: 222 pages1977: 214 pages1977: 214 pages1985: 273 pages1987: 224 pages2003: 272 pages2005: 272 pagesmedian 272
2202402602801960198020001955: 273 pages1965: 273 pages1965: 273 pages1968: 222 pages1977: 214 pages1977: 214 pages1985: 273 pages1987: 224 pages2003: 272 pages2005: 272 pagesmedian 272
Open Library edition records (2026-09-30 dump). 1 edition without a publication year not plotted.

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
Paperback27224 h 48 min
Mass market21923 h 52 min

Editions counted

The 11 editions behind the figures above, newest first. Open Library lists 30 editions of this work in all languages and formats.

YearPublisherFormatPagesOpen Library
2005Pocket BooksPaperback272OL8456674M
2003Del ReyPaperback272OL9339357M
1987Del ReyMass Market Paperback224OL9878938M
1985Gollancz–273OL15069037M
1977Ballantine Booksmass market paperback214OL32335010M
1977Ballantine Books–214OL18358684M
1968Pan–222OL14990920M
1965The Children's Book Club–273OL20724156M

More by Robert A. Heinlein

All 12 books by Robert A. Heinlein with page counts

Questions

How many pages is Tunnel in the Sky?
About 272 pages: that is the median of 11 English-language print editions on Open Library. Editions range from 214 to 273 pages.
How long does it take to read Tunnel in the Sky?
About 4 h 48 min at 260 words per minute, assuming 275 words per page. At 30 minutes a day that is 10 days.
How many words is Tunnel in the Sky?
Roughly 75,000 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)).