This book is seen as a cornerstone in understanding a wide range of systems and topics in electrochemistry, and it is noted as being vital to the community of interest. New material will be added to the standard so that those practicing in related fields can stay abreast of the impact of new technology, ideas, and treatment, etc., and can have a reliable reference document at hand be it for the area of transport phenomena or of the area of heat conduction in solids.  In general, the revision is to make the book more accessible and to update material.