In this unique guide, two collection development experts show how to use Excel to translate circulation and collection data into meaningful reports for making collection management decisions. Step-by-step instructions accompanied by screen shots allow anyone to use Excel to quickly "crunch the numbers," set up customized spreadsheets, and process all data into usable summaries. Librarians responsible for collection development in public, school, academic, and special libraries will learn why analyzing collection use is important and how they can analyze that use to better serve their patrons.