OOPS, check out "darlington transistor" on page 184.
Someone was asleep when they drew that!
Al Kossow wrote:
> http://www.spies.com/arcade/bronzeage/TheBook.pdf
>
> This is the course book called "The Book" which covers basic
> electronics/digital logic and contains some interesting Atari
> specific info, like all the monitor schematics up through 1980.