You should absolutely rebrand as a course/training material, since it seems you're shipping much more than a printed book. As a researcher, experiment journals are really valuable, since in countless occasions I find the final, published articles / sample codes are 100% "draw the rest of the fucking owl" [1] material.
PS: Typo in the #release_bar: "has been offically released!"
PS: Typo in the #release_bar: "has been offically released!"
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[1] http://i0.kym-cdn.com/photos/images/original/000/572/078/d6d...