Purchase the ICSD-3 and Case Book of Sleep Medicine together and receive a discount! Both books will be mailed to you. ICSD-3 is the essential reference for all clinicians with sleep disorders patients. Updated in 2014, the third revision to the ICSD features significant content changes, including new nomenclature, classifications and diagnoses. The Case Book of Sleep Medicine has been updated to extend the utility of the ICSD-3, and follows the ICSD-3 with over 100 new updated cases. Together they make the perfect reference, self-study or teaching tool.