Do you just need to look up something quickly in the DSM-IV-TR? Not interested in carrying a heavy book? Try the online version at PsychiatryOnline.com. This portal for mental health professionals and students gives you quick full-text access to six peer-reviewed journals, practice guidelines, and seven of the most widely-used textbooks in the field.
The full-text DSM Library also includes the Handbook of Differential Diagnosis, a symptom index, and the Casebook. These are important resources for social workers and psychologists as well as physicians and nurses.