Book excerpt: In Collected Tesla Writings are over 70 scientific papers and articles by Nicola Tesla and others about Tesla's work primarily in the field of electrical engineering including; Famous Scientific Illusions, My Inventions, The Tesla Effects With High Frequency and High Potential Currents, and Death-Ray Machine Described. The original images, photos and comments have been preserved. Nikola Tesla was a Serbian-American inventor, mechanical engineer, and electrical engineer. He was an important contributor to the birth of commercial electricity, and is best known for developing the modern alternating current (AC) electrical supply system. Tesla's patents and theoretical work also formed the basis of wireless communication and the radio.