In Book details I type another name into the Author & publisher list, but it jumps back to the old one. How do I change it?

From version 1.9.24, typing into a list such as "Author & publisher" picks the matching entry: the whole name in any case, or the only entry that starts with or contains what you typed. Press Enter to take the first match. When nothing matches, the list shows "Pick one from the list" instead of quietly going back. You can always click the arrow at the right of the field and pick from the list. In an older version, open the list with the arrow and click the profile instead of typing.