Here are some instructions from Martha Pullen's site.
http://www.marthapullen.com/commu...
1. PDF instructions for soft book plus free shape set.
2. more help with eyelet holes and ideas
I made a soft book a long time ago with 100% cotton. I didn't use washable markers because they weren't invented yet. Later my kids had stuffed animals you could color on and they were white cotton.
Your idea is wonderful.
1. link is for a softbook on sewforum- go to link, register/sign in, then come back and click link again.
2. build a snowman book, ideas for putting a book together
3. Cloth books