Book excerpt: Providing the reader with an up-to-date digest of the most important current research carried out in the field, this volume is compiled and written by leading experts from across the globe. It reviews the trends in electrochemical sensing and its applications and touches on research areas from a diverse range, including microbial fuel cells, 3D printing electrodes for energy conversion and electrochemical and electrochromic colour switching in metal complexes and polymers. Coverage is extensive and will appeal to a broad readership from chemists and biochemists to engineers and materials scientists. The reviews of established and current interests in the field make this book a key reference for researchers in this exciting and developing area.