The fourth edition of this trusted text preserves the personal appeal of the subject matter and vigorous standards of scholarship that made the earlier editions so successful. It presents the key findings on intimate relationships, the major theoretical perspectives, and some of the current controversies in the field. The authors illustrate the relevance of close relationship science to readers' everyday lives, encouraging thought and analysis. The 4th edition contains more than 700 new references, including new coverage of online dating, fMRI studies of love, and mate poaching. More illustrations, tables and figures add up to a fresher, thoroughly updated, new-and-improved text.