WE HATE THESE.
We didn't ALWAYS hate our spinners--they hold a ton of books in a small space, but as our collection grew, they became less of a "pro" and more "con."
1. The books were often hard to find (e.g., all books w/ "S" authors piled onto 3 spinners, in no order).
2. Many titles in our collections were in both hardcover and paperback versions. "JPB" was one more place we had to look for a title.
3. The signage was small and unnoticeable. Many patrons didn't know where the "JPB" section was.
4. JPBs required additional processing: green spine stickers to indicate series books, stickers w/ letters for books alphabetized by author's name, plus frequent changing-out of series, which meant lots of shifting.
5. TS was happy to have one fewer collection to keep track of.
6. The wire racks snagged my sweaters and cut my knuckles.