This text provides a uniquely comprehensive overview of the wide range of psychometric tests and inventories available for assessing personality, as described by the Big Five model and related concepts. The book includes chapters on all major instruments, such as the FFPI, BFQ, NEO-PI-R, HPI, BFI/BPP, HIPIC, ZKPQ, IPIP, FFPQ, TPQue, IAS-R-B5, IBFM/SACBIF, PPRF, SIFFM, TINSIT, 6FPQ, ACL, 16PF, and PSY-5. Each chapter is written either by the test authors themselves, or by other renowned experts, and the book thus provides the best possible guidance on the distinctive features, use, analysis, interpretation and limitations of Big Five and related instruments.