I didn't remember the details, but I did know that by the time he got to "The Number of the Beast" and "The Cat Who Walks Through Walls", he was tying together the characters from almost every book he ever wrote. It helps if you can pull from 6 to the 6th to the 6th power of universes. I haven't read any of Heinlein in a very long time. I think I'll re-read some of them.

Try reading "The Rolling Stones". Then watch "The Trouble with Tribbles" episode of Star Trek. My dad handed me that book when I was about 10 and I fell in love with SF. I'm a 54 year old programmer who started programming in 1974. Only one husband.