You can download my books for free here.
fzort?: unfortunately, both links are dead. I created a mirror at http://www.fzort.org/usagi (link now dead). I'm not sure if the files I have are the latest versions. I'd love to e-mail you, but can't find your address anywhere. :-) If you'd like to comment, my address is "m at fzort dot org". Thanks for the hard work!
shimari I added a link and am hosting these on Tiger's Mouth, the AGF's site for kids and teens. Thanks for writing them ^_^ I deleted a broken link to the old version as well.