I first saw the Digital Press version of this book around 1975 or 1976. I was in detention in my math teacher's classroom, seventh grade. To say that it was i

I first saw the Digital Press version of this book around 1975 or 1976. I was in detention in my math teacher's classroom, seventh grade. To say that it was influential would be an understatement, this book set me on the path. I did not have access to a computer at the time, but my dad would type my hand-written programs in on a DEC-20 at his work and show me the results.