Here is a fascinating book that describes selected collections of sci-tech archives and manuscripts. Librarians will gain valuable information on the ways in which sci-tech archival material is being handled and preserved in various institutions and organizations. Sci-Tech Archives and Manuscript Collections is a helpful guide that also describes ways in which these often unique and irreplaceable materials are organized so they can be searched and used. Corporate, academic, and governmental organizations are represented, and some attention is given to the international scene. Topics include a description of the American Museum of Natural History collection, a survey of archival materials at zoos and aquariums, a description of the efforts of the American Institute of Physics Center for History of Physics to develop the international Catalog of Sources for History of Physics and Allied Sciences.