The 5th edition of Adjustment Computations: Spatial Data Analysis is one of the few books that deals with the important issue of error in spatial data. This updated classic is specially written for surveyors, but also serves as a useful guide for students. The book covers new spatial technologies that have been introduced (GPS, GIS), and new analytical techniques that have found acceptance. The book also contains new screenshots, exercises and problems, more worked solutions in the solutions manual, as well as PowerPoint slides from the author's lectures. 736 pp.