Clive Maxfield 
Bebop to the Boolean Boogie [PDF ebook] 
An Unconventional Guide to Electronics

From reviews of the first edition:"If you want to be reminded of the joy of electronics, take a look at Clive (Max) Maxfield’s book Bebop to the Boolean Boogie."–Computer Design "Lives up to its title as a useful and entertaining technical guide….well-suited for students, technical writers, technicians, and sales and marketing people."–Electronic Design"Writing a book like this one takes audacity! … Maxfield writes lucidly on a variety of complex topics without ‘writing down’ to his audience." –EDN"A highly readable, well-illustrated guided tour through basic electronics." -Science Books & Films"Extremely readable and easy to understand, you’ll wonder how people learned about this stuff before this book came along." –New Book Bulletin, Computer Literacy Bookshops* The difference between the analog and digital worlds.* What logic gates are and how to make them from transistors.