A one written for children, ages six to eight; one written for teens, ages fourteen to sixteen; one written for adults, ages twenty to sixty; and one written for specialists, age eighteen and older
B one written for children, ages six to eight, one written for teens, ages fourteen to sixteen, one written for adults, ages twenty to sixty, and one written for specialists, age eighteen and older
C one written for children; ages six to eight, one written for teens; ages fourteen to sixteen, one written for adults; ages twenty to sixty, and one written for specialists; age eighteen and older
D one written for children, ages six to eight, one written for teens, ages fourteen to sixteen; one written for adults, ages twenty to sixty; and one written for specialists, age eighteen and older
