Setting book revisions/transitions

[moninity]

When setting books how do y'all keep the books that have to be turned to the side neat instead of falling over?

 

[kangkang]

Theres a white metal divider for those.

 

[moninity]

Thank you, now to go look and hope they didn't throw them away.

 

[kangkang]

If you find the part # let me know too. I have some but no number on the fixture and no luck on go cart.