Louise Spilsbury & Richard Spilsbury 
Electricity [PDF ebook] 

Who first discovered static and how was this important? What is an LED? This fascinating book looks at the historical controversies that surround the discovery and theories of electricity and tells the stories of the scientists who worked on them. It also examines how the different theories based on electricity were arrived at, how they were tested and what impact these theories and discoveries have had on our understanding of science today.