A book drop is the small metal door in the wall of the building where people can return books when the library is closed.
VOA: special.2009.02.23
In 2012, people are expected to return to their cookery books (and other resources) to get a return on their investment, get more out of their kitchen gadgets and get more creative with their cooking.
"Schools are increasingly being used as marketing venues by companies promoting their own brands in return for teaching resources, books, sports equipment or computers, " said a National Union of Teachers representative.