Specific curriculum is taught at every grade level and it is the job of library media specialists to know subject area content. Library media specialists should develop collections to meet the content associated with curriculum standards. To ensure that these collections meet school needs, collection mapping with specific curriculum related to local, state, and national standards is a good approach. This technique helps build a collection that really meets the needs of the learning community. The technique of collection mapping uses visual representations to evaluate the collection. By using statistics easily gleaned from library media management programs and then creating graphs using this data, the strengths and weaknesses of a collection can be seen. With these tools, it is easy to identify collection gaps and base collection development on school needs rather than arbitrary guidelines from outside sources. As budgets shrink, it is important to be smarter about library budgets that still provide quality resources for curriculum support. This article describes the steps in collection mapping. (Contains 17 resources.)