For quite a while now I’ve been looking for an old book of Apple II games I used to check out from the library when I was a kid. It had a Space Invaders clone in it, and it was just about the only Apple programming book I've seen which extensively used sprites in its programs. Several of the games had sound effects routines encoded in DATA lines. But I don’t remember the title. The font was tiny and the programs were very long, and I think the cover was yellow, but my memory of it has grown hazy. Anybody know what this book was?