Hi Heather,

I've written a few books (you can find the link to one of them at the bottom of this post), but have never written instructional materials like these. My gut instinct is that you should contact home schooling textbook publishers and see if they would be interested in having you work with them. They would do all the publishing, and you could provide the instructional materials. It might work out very nicely for you -- and I've heard that companies like that can pay well.

Please let us know what happens!
Take care,
Christina

The Happy Slob's Guide to Housecleaning
http://www.happyslob.com