The document discusses different models of e-book purchasing for libraries, including Patron Driven Acquisition (PDA), Demand Driven Acquisition (DDA), and Usage Driven Acquisition (UDA), emphasizing how these models allow libraries to make informed choices based on user interactions with e-books. It outlines several specific programs and challenges faced by institutions implementing these acquisition strategies while also highlighting the importance of cataloging and processing records for these acquisitions. Additionally, it touches on the evolving landscape of e-book acquisitions and potential future developments in the field.
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