DORIS FORCE AT LOCKED GATES, by Julia K. Duncan
DORIS FORCE AT CLOUDY COVE, by Julia K. Duncan
DORIS FORCE AT RAVEN ROCK, by Julia K. Duncan
FINDING THE LOST TREASURE, by Helen M. Persons
THE MYSTERY OF ARNOLD HALL, by Helen M. Persons
THE MYSTERY OF CARLITOS, by Helen Randolph
THE SECRET OF CASA GRANDE, by Helen Randolph
CROSSED TRAILS IN MEXICO, by Helen Randolph
GREEN EYES , by Roy G. Snell
THE PHANTOM VIOLIN, by Roy J. Snell
THE CRYSTAL BALL, by Roy J. Snell
DOROTHY DIXON AND THE DOUBLE COUSIN, by Dorothy Wayne
DOROTHY DIXON WINS HER WINGS, by Dorothy Wayne
DOROTHY DIXON AND THE MYSTERY PLANE, by Dorothy Wayne
BETTY GORDON AT BRAMBLE FARM, by Alice B. Emerson
BETTY GORDON IN WASHINGTON, by Alice B. Emerson and Josephine Lawrence
BETTY GORDON IN THE LAND OF OIL, by Alice B. Emerson
BETTY GORDON AT BOARDING SCHOOL, by Alice B. Emerson and Josephine Lawrence
BETTY GORDON AT MOUNTAIN CAMP, by Alice B. Emerson
THE ADVENTURE GIRLS AT THE K BAR O, by Clair Blank
THE ADVENTURE GIRLS IN THE AIR, by Claire Banks
THE ADVENTURE GIRLS AT HAPPINESS HOUSE, by Clair Blank
THE SECRET OF STEEPLE ROCKS, by Harriet Pyne Grove
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