content: This was the assigned text for a short section on electrophysiology in my first year graduate neuroscience course. I did not have a math or electronics background, but had worked in a neurophys lab for two years. I managed to learn stuff from this book, but it was hard work and I couldn't have done it without my lecturer and classmates. It's obvious that the authors really know their stuff, but being able to explain it to novices is another thing... And I agree with the other reviewer who noted that the index is *completely* useless, almost random lists of page numbers after topics...Unless you have to buy this book for a class, skip it (and if it is the text for a course, ask your instructor why!!)- buy Molecular and Cellular Physiology of Neurons by Fain instead, it doesn't cover as many topics, but breadth is no use if you can't understand the content. My department switched to the Fain text last year because so many people complained about Johnston et al.