It depends on the type of book and the bookcase. If the book is a hardcover, it will generally hold up better on its edge. If the book is a paperback, it will generally lay flat better.
Other related questions:
Is it better to store books vertically or horizontally?
The answer may depend on the type of books you are storing. For example, if you are storing hardcover books, you may want to store them horizontally so that the spines are not damaged. If you are storing paperbacks, you may want to store them vertically so that they take up less space. Ultimately, it is up to you to decide which method works best for your particular needs.
Should books be laid flat?
From what I can tell, there is no definitive answer to this question. Some people believe that books should be laid flat to prevent damage to the spine, while others believe that books can be stored upright as long as they are not stacked on top of each other. Ultimately, it seems that it is up to the individual to decide how to store their books.
What is the best way to store books long term?
There is no one definitive answer to this question as it depends on a number of factors, including the type of books you have, the climate and humidity where you live, and your personal preferences. Some people prefer to store their books in plastic bins with lids, while others prefer to keep them on shelves in a cool, dry place. Whichever method you choose, just be sure to check on your books periodically to make sure they are not becoming damaged.
Bibliography
- Tips on storing your book collection safely – Biblio
- Should you stack your books on top of each other to … – Quora
- Storing & displaying books to keep them in best condition