Indexes, Abstracts, Periodicals, Biographies, Encyclopedias, dictionaries and almanacs, oh my! Like Maria, reference materials are arguably the main star of any good library. They are the educational backbone of a school's learning commons and many people believe their presence makes the library. But unlike Maria, they take up an awful lot of space not everyone is their biggest fan. In fact, some people argue that the co-stars (novels, group seating, computers) are actually what turn a boring old black and white movie in a technicolor delight. But how does a librarian balance the limelight and make all audiences happy? This is the biggest challenge with reference materials. Without a keen eye for talent and purpose, a librarian can get lost in the references they are presented with and recommended to acquire. Riedling (2019) argues that, "in order to create and maintain a school reference collection that meets the information needs of students, effective selection and evalua...