ebook availability revisited: a quantitative analysis of the 2012 ebook aggregator marketplace
DESCRIPTION
Presentation at Charleston Conference 2012 that revisited our 2008 study on the availability of print and electronic books in e-book aggregators like EBL, Ebrary, MyILibrary, and Ebsco/NetLibrary.TRANSCRIPT
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Ebook Availability RevisitedA quantitative analysis of the
2012 ebook aggregator marketplace
John McDonald & Jason Price, PhD CIO & AVP Interim Library DirectorClaremont Colleges Library
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slideshare.net: Charleston price and mcdonald 2008
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Today’s Outline
1) availability of print book content in the eBook aggregator marketplace: 2008 v 2012
2) eBook Aggregator market share, depth & breadth
1) Full Collections (EBL, Ebrary, EBSCO, MyILibrary)
2) Subscribed collections (Ebrary & EBSCO)
3) Publisher coverage
4) University Press collections (UPCC & UPSO)
3) Hathi Trust (& Google Books) - for perspective
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2008 Study
Research Question (from a campus administrator): “If you were to stop buying print books today (i.e. in 2008), what proportion of your purchases could be replaced with ebooks?”
Print book purchases (Cat date 2006-2007)• Data from 5 Libraries• 78,000 books total• Publication year ranged from 1912 – 2007, 82% were from 2005-07
Ebook Marketplace Data from 4 eBook vendors • EBL, Ebrary, MyILibrary & NetLibrary source files• 220,000 books total• Publication year ranged from 1901 – 2009, 24% were from 2005-07
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2006/7 pBook purchases available as eBooks by Vendor
Library Ebrary Sub EBL Ebrary MyILibrary NetLibrary At least one
C 4.9% 11.9% 13.7% 11.4% 23.3% 27.2%
A 5.4% 10.3% 10.3% 10.8% 18.3% 21.3%
D 4.7% 15.4% 15.4% 11.8% 25.0% 29.4%
L 4.7% 14.6% 14.2% 9.7% 23.2% 27.3%
S 7.1% 13.9% 13.5% 8.0% 23.0% 26.9%
5% 13% 26%23%13% 10%
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2008 ≈ 30% pBook purchases available as eBooks from
major aggregators
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DatasetsPRINT BOOKS• 2006 and 2011 pub date• Data from 4 libraries,
combined• 34,000 books total
• 21,000 from 2006 • 13,000 from 2011
• Unique IDs
• OCLC number & WorkID (instead of ISBN matching)
ELECTRONIC BOOKS• Aggregator Marketplace
from ebook KnowledgeBase* w/ISBNs
• ISBNs run against xISBN API to get OCLCnum & then against xOCLCnum API to get Work ID
• Numbers to be announced…
2012 “repeat” of this study
Thanks to Sam Kome for untold hours of data wrangling
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Audience PollWhat proportion of 2011 pub date purchases are available as ebooks? (vs 2008 availability)
a) Fewer (<20%)
b) About the same (20-35%)
c) More (35% - 50%)
d) Way more ( > 50%)
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pBook purchases available as eBooks by Vendor
YearEbrary
SubEBL Ebrary
MyI-Library
EBSCOAt least
one
2008 7% 15% 19% 17% 20% 24%
2012 6% 26% 33% 25% 28% 37%
So… 37% of 2011 Pub date purchases were available in the 2012 ebook aggregator marketplace
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YBP Select category comparison
2006 & 2011 Print BooksZero
aggregators At least one
Basic-Essential 75% 25%
Basic-Recommended 77% 23%
Research-Essential 60% 40%
Research-Recommended 61% 39%
Specialized 61% 39%
Supplementary 75% 25%
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Part 2: Switching Gears…
to a Quantitative analysis of the ebook aggregator marketplace
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Audience poll
How much has the size of the ebook aggregator marketplace increased in the past four years?
a) 10%b) 25%c) 50%d) 100%
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Total Ebooks w/ unique eISBNs
+22%
-17%
46%
16%
+13%
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2008 vs 2012Ebook Aggregator marketplace overlap
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Depth: # of Books available by year
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# of Books available by year
Depth: # of Books available by year
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Aggregator Subscription Ebook Collections Analytical Faceoff
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State University of New York Press 33041EbraryAC 602Common 1353EbscoES 3109
National Academies Press 33011EbraryAC 3301
ABC-CLIO 29033EbscoES 2903
Routledge 28371EbraryAC 9542Common 1883
Cambridge University Press 26981EbraryAC 4642Common 13793EbscoES 855
Brill Academic Publishers 26421EbraryAC 172Common 18473EbscoES 778
ABC-Clio - Greenwood Publishing 24503EbscoES 2450
Oxford University Press 23951EbraryAC 2395
Nova Science Publishers, Inc. 23293EbscoES 2329
Wiley 21941EbraryAC 14952Common 699
MIT Press 21861EbraryAC 1302Common 6383EbscoES 1418
University of California Press 20391EbraryAC 2112Common 7693EbscoES 1059
Ashgate Publishing Group 17161EbraryAC 302Common 1686
Continuum International Publishing Group Ltd / Books15653EbscoES 1565
Palgrave Macmillan 14861EbraryAC 1486
Continuum International Publishing 14371EbraryAC 4692Common 968
John Benjamins Publishing Co. 13683EbscoES 1368
World Bank Publications 12951EbraryAC 1295
Sage Publications, Ltd. 12753EbscoES 1275
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University of Chicago Press 12731EbraryAC 1273
University of Minnesota Press 12521EbraryAC 1252
Emerald Group Publishing Ltd 11801EbraryAC 10582Common 122
John Benjamins Publishing Company 10901EbraryAC 32Common 1087
Elsevier Science 10603EbscoES 1060
Indiana University Press 10381EbraryAC 1202Common 4643EbscoES 454
Kluwer Academic Publishers 10301EbraryAC 1030
Greenwood Press 10241EbraryAC 2762Common 748
Jessica Kingsley Publishers 10141EbraryAC 832Common 7963EbscoES 135
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Subscribed Collections Summary
• 33% Ebrary : 27% in Common : 40% EBSCO
• Ebsco’s advantage comes from older ebooks• 1980-1999
• Many publishers subscription ebooks are only available through one aggregator• Ebsco – ABC Clio, Nova Science, J. Benjamin,
SAGE, etc.• Ebrary – Nat. Acad., Oxford, Palgrave, World Bank,
etc.
• Subject coverage is relatively similar
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Subscription cost less than a penny on the dollar per year!
Subscribable Ebrary Ebooks = 77,482 purchase price $5,670,776 (single-user price)
≤ $3.75/FTE… so for 5000 fte = $18750/year% of list price per year = 0.33% (multi-user price)Years to buy = 300+ years!
Ebsco subscription pricing is similar…
Q.E.D. If you are investing in aggregator ebooks, you should seriously consider both subscription packages, and avoid buying individual books that are (or will be!) available by subscription…
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University Press collections
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Part 3: Hathi Trust & Google books Putting the Ebook Aggregator Marketplace into stark perspective
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Hathi By the
decade
1990-99n = 785,758
1960-69n = 624,845
1970-79n = 722,697
1980-89n = 823,151
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Ebook Marketplace is only 1/3 as large as Hathi for 2000-09 books
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Google books casts an even longer shadow