Book Reviews [6 books reviewed]

The following six books are reviewed: Optical Engineering Science (Rolt, S.; 2020); LPWAN Technologies for IoT and M2M Applications (Chaudhari, B.S. and Zennaro, M., Eds.; 2020); Advances in Modern Sensors: Physics, Design, Simulation and Applications (Sinha, G.R.l 2020); Handbook of Magnetic Materials, Volume 29 (Bruck, E., Ed., 2020); Contact Lines for Electrical Railways—Planning, Design, Implementation, Maintenance, 3rd Edition (Kiessling, F., et al; 2018); and Introduction to Simulation Methods for Gas Discharge Plasmas: Accuracy, Reliability and Limitations (Rafatov, I. and Kudryavtsev, A.; 2020).