The Second Girl Detective Megapack collects 23 more novels with girl protagonists, sleuthing for fun and justice. Here are series from Julia K. Duncan, Roy J. Snell, Dorothy Wayne, Helen Randolph, and more—nearly 3,000 pages of great girl-powered adventure!

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...