Electrochemistry has experienced considerable renewal over the last forty years, both at the fundamental and application levels. The relationships between electrochemistry and molecules (molecular systems or materials, biomolecules) have expanded extensively, opening new opportunities to export concepts and techniques toward other sections of science such as photochemistry, the science of chemical reactivity and biochemistry. Reverse and symbiotic importations from these fields into electrochemistry have also proved quite fruitful. An extension of the George Fisher Baker Lectures given by Jean-Michel Saveant at Cornell University in Fall 2002, Elements of Molecular and Biomolecular Electrochemistry provides a more complete coverage of these topics and advances than can currently be found in any other resource.