When is the first book available?

No date yet, and we would rather say that plainly than invent one.

My First SEO Coloring Book is the title in production. Everything else on the bookshelf is a planned title with a real outline behind it, labelled as planned, precisely so nobody mistakes the catalog for a shop.

The Crayon Glossary is live and free in the meantime, and it is the fastest way to find out whether this method works on your particular child before any book exists.