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General information
- Record identifiers such as ISBN or OCLC are sent to book cover providers, which return an image that is displayed in the Primo search results.
- Most covers come from
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- Google, followed by Syndetics.
- Records that are part of Scanned Key Content via DRS deposits have book covers chosen by staff. These take precedence over covers provided by other sources.
- For any journals that are supported by Browzine, we use the cover images from Browzine, which are based on an ISSN match.
How to tell who is supplying the image
- It is not necessary to complete this step.
- If you would like to skip this step. start with the next section: Google Books Troubleshooting.
- You can right-click on
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- the book cover in your browser and "Inspect Element" to see the source of the image.
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- In this example, the cover comes from Google:
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Books Troubleshooting
Use Google Direct Links (below) to see if Google associates the right metadata/cover with the identifiers in our record. HOLLIS sends multiple identifiers to Google: OCLC, ISBN, LCCN, in that order. The first one that returns an image from Google is used in the HOLLIS display.
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OCLC number
- Base URL: https://books.google.com/books?vid=OCLC[insert number here not including square brackets or OCLC prefix]
- Example: https://books.google.com/books?vid=OCLC1021859160
- You may also need to try OCLC numbers from 035 $z
ISBN
- Base URL: https://books.google.com/books?vid=ISBN[insert number here not including square brackets, omit hyphens]
- Example: https://books.google.com/books?vid=ISBN9780991262519
- You may need to try multiple ISBNs
LCCN
- Base URL: https://books.google.com/books?vid=LCCN[insert number here not including prefix, spaces, or other. non-numeric characters]
- Example: https://books.google.com/books?vid=LCCN2007052328
Sample message to Google when the error is on their end
Subject: book cover for wrong book
When we send this identifier to Google:
(insert direct link)
Google returns an image for a different book. The image Google is providing shows the book title "XXX." But the identifier (insert type and number here, e.g. OCLC 1234) is for an entirely different resource: "YYY."
Syndetics Troubleshooting
- Only ISBNs are used for cover identification
- How to report an error in a Syndetics book cover (Ex Libris Knowledge Base article)
You can verify precisely which parameters are sent to a provider by inspecting the Network traffic in the browser's developer tools. When doing so, make sure you search by unique identifier such that you get only a single search result, otherwise your Network traffic will show image requests for all records on the search result page.
Journals via Browzine
For any journals that are supported by Browzine, we use the cover images from Browzine, which are based on an ISSN match.
Custom covers
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