A compendium folder is basically a binder with a zipper which allows for books and documents to be slipped in.
The collective noun is a compendium of books.
Classic Compendium was created in 2005.
Classic Compendium happened in 2005.
Compendium Books was created in 1968.
Compendium Books ended in 2000.
Monstrous Compendium was created in 1989.
Rules Compendium was created in 2007.
Spell Compendium has 288 pages.
Spell Compendium was created in 2005-12.
Compendium Maleficarum has 345 pages.
For my birthday I was given a compendium of magical tricks.
Wizard's Spell Compendium was created in 1996.