Perry's is the most authoritative, comprehensive and best selling book in chemical engineering. In order to make it portable, easily searchable and to add some interactive features to it we have decided to develop an electronic version of this classic work. The electronic product will maintain the integrity of the handbook so that print user will feel completely comfortable with electronic. This means that the extensive table of contents and index will by hyperlink to the appropriate section of the book. The electronic product will have complete boolean search capability. The user will also be able to print out page or pages of the book they desire. Another important feature of the electronic version of Perry's is there will be active tables, graph and charts that the user can manipulate. This product will run on both IBM Compatibles and MacIntosh computers.