About Allen J.(.A.J.).;. Ballantyne, Elmer Felix Books by Allen J.(.A.J.).;. Ballantyne, Elmer Felix awāsi-nēhiyawēwin masinahikanis ayisīyiniwak—A Little Plains Cree Colouring Book Plains Cree People by (author) Patricia Deiter & Allen J.(.A.J.).;. Ballantyne, Elmer Felix illustrated by Aleigha Agecoutay Ages 3 to 12 Grades p to 7