Commissioning an indexer can be a daunting task for new editors. What information do indexers need to know about a job? What needs to be supplied to get an indexing quote? What does the indexer do, and in what format can you expect the finished index? Then, once the indexing is underway, how do you deal with late changes to the text without causing undue angst? Finally, what specific areas of the finished index need to be checked? This article explains what is involved.