These practical lab guides are now available on CD-ROM. A total of 68 bestselling titles are available electronically, enabling laboratory reseachers and academic departments to search and cross-reference thousands of protocols in seconds. Alternatively, smaller or more specialized labs may choose to buy access to any ten titles. Subsequent titles can be bought in blocks of ten allowing the user to build a customized database tailored to their specific needs. Annotations can be added to any part of the text, allowing protocols to show local variations. Specifications: Windows CD-ROM; IBM compatible PC, 80386 or better; 4Mb RAM, CD-ROM drive; SGVA monitor set to display 256 colours; and Microsoft Windows 3.1. version.