You may contact the author of Sue Center in these ways:
Jon Bjornstad
514 Button St
Santa Cruz, CA 95060
831-460-2648
jon at suecenter.org (email address written unspammably)
I look forward to hearing from you.
You can also put your comments in this form:
Finally, there is a newsletter for those interested in Sue Center.
I will keep you informed of what is happening.