This outstanding report clearly summarizes the scientific findings and other information now available on the care and handling of optical and magnetic disks and microforms, non-paper resources widely used in all types of libraries and archives. this report will give you both the authoritative information you-need-to-know and the practical guidelines you can rely on to store and manage these materials. This report is the November/December 1997 Library Technology Reports, v. 33, no. 6.