I've heard that book recommended a lot earlier, in various other good books or articles. Would like to read it. But not the original one in RATFOR, rather the s

I've heard that book recommended a lot earlier, in various other good books or articles. Would like to read it. But not the original one in RATFOR, rather the second version in Pascal. Just checked on Amazon, there is a copy, but not in Pascal. Update: Just found a used copy of the Pascal version on Amazon India, ordered it.