Thanks to All... (and a Happy Mother'sDay)

A great big thanks to all who've left comments about which books I should treat myself to.
The main ones in the running are:

1. Sensational Knitted Socks (the copy I have right now is from the library and I like it)
2. Favorite Socks from IK
3. Knitting Vintage Socks by Nancy Bush (or any other Nancy Bush sock knitting book)

Those are the three I'm going to consider and I'll let you all know what I get.
Thanks again for taking time to answer my question. You all gave me some great ideas of what to look for.

And lastly, I hope all those of us who are mothers (to child or beastie) have a great and Happy Mother's Day.