Originally Posted by mran
Le sigh. Thank you for replying. If there's a way to work this into a future release, my dim eyes would certainly appreciate it. Sadly, the book descriptions are practically unusable for me, unless I get really close and squint.
Are you sure you are talking about the Cover Browser (White arrow on Black button)?
Preferences: Look and Feel: Cover Browser: TICK Show cover Browser in separate window. Restart Calibre.
Now the covers can be made full screen height.
Or are you wanting "Book Details"
Select a book: Press I for a slightly bigger window