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Book · by Douglas Adams · first published 2001

How many pages is Dirk Gently's Holistic Detective Agency?

Dirk Gently's Holistic Detective Agency by Douglas Adams has a median of 306 pages across 9 English-language print editions with a recorded page count; the middle half of editions run 247 to 306 pages.

Median pages
306
9 editions counted
Range
247–310
shortest to longest edition
Reading time
5.4h
at 260 wpm (fiction average)
Words (est.)
84k
at 275 words per page
Book 1 of Dirk Gently series
Series in order

How long will Dirk Gently's Holistic Detective Agency 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
5 h 24 min
At 30 min a day
11 days
At 1 hour a day
6 days

Page count of every edition, by year

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

2502753001990199520001987: 247 pages1987: 247 pages1987: 247 pages1987: 310 pages1988: 306 pages1988: 247 pages1988: 306 pages1991: 306 pages2002: 306 pagesmedian 306
2502753001990199520001987: 247 pages1987: 247 pages1987: 247 pages1987: 310 pages1988: 306 pages1988: 247 pages1988: 306 pages1991: 306 pages2002: 306 pagesmedian 306
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
Hardcover24734 h 21 min
Mass market30635 h 24 min

Editions counted

The 9 editions behind the figures above, newest first. Open Library lists 36 editions of this work in all languages and formats.

YearPublisherFormatPagesOpen Library
2002Pocket BooksMass Market Paperback306OL7664100M
1991Rebound by SagebrushSchool & Library Binding306OL9320755M
1988Pocket BooksMass Market Paperback306OL26339588M
1988Pan Books–247OL15545657M
1988Pocket BooksMass Market Paperback306OL17575324M
1987Heinemann–247OL21310132M
1987Simon and SchusterHardcover247OL2380852M
1987HeinemannHardcover247OL17415201M

More by Douglas Adams

All 9 books by Douglas Adams with page counts

Questions

How many pages is Dirk Gently's Holistic Detective Agency?
About 306 pages: that is the median of 9 English-language print editions on Open Library. Editions range from 247 to 310 pages.
How long does it take to read Dirk Gently's Holistic Detective Agency?
About 5 h 24 min at 260 words per minute, assuming 275 words per page. At 30 minutes a day that is 11 days.
How many words is Dirk Gently's Holistic Detective Agency?
Roughly 84,000 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).