It says e book is in use but I am the last person who took it out yesterday.
With some e-books (EBSCO), you can only access the book for an online reading session, not check them out like a physical book.
Also, some e-books can be viewed by one person at a time, so once you end a session (by closing the session), another person can come along and begin their own online reading session.
You could keep trying to access the book. It should become available again soon or you could try the following:
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