Abstract: A system for identifying the location of a file or book removed from a file cabinet or book shelf. The system includes a T-shaped marker member having a flexible plastic erasable top surface portion for receiving thereon a book/file borrower's name, dept. etc. and a hard plastic bottom surface portion for supporting the top surface portion; a storage hook assembly including a marker member attachment hook, a writing instrument storage holder and a hook assembly attachment mechanism for attaching the storage hook assembly in a convenient location adjacent to a file cabinet or book shelf; and an erasable marker sized to snap fit into the writing instrument storage holder.