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Books

A highly efficient, low-risk way to acquire ebooks

Demand-Driven Acquisition (DDA) is a Books at JSTOR model that provides libraries with cost-effective access to a large corpus of ebooks with no upfront deposit.

Get DDA
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149,000+

Available titles

300+

Scholarly publishers

129%

Usage growth of titles 2 years after acquisition

Align acquisitions closer to patron needs

With DDA:

  • Libraries only pay for titles that reach a threshold of usage, ensuring every acquisition reflects real reader demand, making it a highly efficient and low-risk way to build collections with perpetual access on JSTOR
  • Researchers can search across the full text of books, journals, and primary sources on JSTOR, increasing discovery and usage by placing the ebooks into existing research workflows
  • All ebook chapters are available exclusively in a DRM-free, unlimited-user model during the access period
  • Ebooks come from leading institutions, and work just like journal articles on JSTOR, with unlimited simultaneous use, PDF downloads, and printing, and no need to log in or use special software
View the title list
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Collage of book covers from JSTOR’s ebook collection

How DDA works:

  • Select from 149,000+ titles that can be sorted by cost, publisher, copyright year, and discipline
  • Exclusive management through GOBI Library Solutions/Mosaic, or Rialto/OASIS
  • Consistent ordering, invoicing, and integration with library systems 
  • Robust, library-driven acquisition models, catalog integration, and discovery across platforms
  • Enhanced metadata services and flexible budgeting options
  • High-quality MARC records delivery through JSTOR’s partnership with OCLC

Community voices

The ability to access a wide range of titles without upfront purchase commitments has allowed Wabash College to build a collection that reflects the actual needs of its patrons.

Laura Vogler, Associate Library Director

Wabash College via GOBI Library Solutions/Mosaic

Our GOBI DDA program has been an essential tool for us.

Rebecca Egbert, Library Manager

Baylor Health Sciences Library via GOBI Library Solutions/Mosaic

The users don’t even realize that a title hasn’t been purchased yet… and that’s the beauty of DDA—it’s invisible to the patron, and it ensures that we’re only buying the materials that are actually in demand.

Rebecca Egbert, Library Manager

Baylor Health Sciences Library via GOBI Library Solutions/Mosaic

DDA that delivers

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How two libraries use DDA via GOBI to do more with less

Discover how Wabash College and Baylor Health Sciences Library are maximizing budgets and improving access with JSTOR’s Demand-Driven Acquisition via GOBI Library Solutions/Mosaic.

Read the case study
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Discover what scholars are reading with DDA

See which JSTOR ebooks are most-read through our Demand-Driven Acquisition model—real usage data shaping smarter, user-driven collection decisions across disciplines.

See what’s trending
Person in a library reading intently from a laptop, surrounded by blurred bookshelves.

A sustainable future for ebook acquisition

See how Books at JSTOR and its partners are building flexible, community-driven models—like DDA—that make ebook access smarter, sustainable, and mission-aligned for libraries.

How JSTOR builds for the future
Modern campus courtyard at Victoria University of Wellington with students sitting and walking near the glass and brick Campus Hub and Library building.

How one small university built a big ebook strategy with JSTOR

Victoria University of Wellington combines EBA and DDA models to maximize flexibility, streamline workflows, and grow its ebook collection without increasing staff workload.

Discover their flexible approach

Build a user-driven ebook strategy

Contact us to explore how Demand-Driven Acquisition can help your library align spending with real reader demand.

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Integrated with Books at JSTOR

Interested in ebook acquisition and access beyond DDA? JSTOR offers a variety of models to meet your needs, including Publisher Collections, Path to Open, Evidence-Based Acquisition, and subject packages alongside open access.

Learn more about Books at JSTOR
Smarter ebook acquisition starts here

Build data-driven collections with JSTOR’s DDA

See how libraries build flexible, data-driven collections by paying only for titles users actually read.

Note: Items marked with * are required.