It goes without saying that few things are more important to information professionals than data, all the more so when that data relates to their own profession. Which is why this third edition of BIALL's Law Firm Survey is so welcome, providing, as it does, data on a range of different information departments working in the library space, while also drawing comparisons from the results of earlier surveys. Here Catherine Bowl and Diane Miller explain the process of compiling the survey, its findings, and the interesting trends it has highlighted.