Black Widow is another Spider variant. It's the easiest of the lot to play, as it only uses one suit, spades. It wasn't included in the original Patience Revisited on the Palm OS because it is so easy, but I thought it might be a good idea to add it back in especially for people like me who are hopeless at Spider and need all the help they can get :-) So it'll be included in v1.1.0