41 educational type books for a behavioral development strategy, "red and green choices", for children with Autism or behavioral predispositions, for children's literature/books, and teacher/parent behavioral strategies literature/books
"The mark consists of the color of red being utilized on the initial circle preceding the word red, and also on the word red; the color of green is utilized on the second circle preceding the word green, and on the word green, all other words are the color of black."