The Penny Parker Megapack

This volume assembles 15 complete novels by Mildred A. Wirt (writing as Mildred Benson). A rival to the Nancy Drew series (and created by one of the primary Nancy Drew writers), Penny is a plucky girl reporter whose nose for trouble always leads to a new mystery. Included in this volume are:
DANGER AT THE DRAWBRIDGE

BEHIND THE GREEN DOOR

CLUE OF THE SILKEN LADDER

THE SECRET PACT

THE CLOCK STRIKES THIRTEEN

THE WISHING WELL

SABOTEURS ON THE RIVER

GHOST BEYOND THE GATE

HOOFBEATS ON THE TURNPIKE

VOICE FROM THE CAVE

GUILT OF THE BRASS THIEVES

SIGNAL IN THE DARK

WHISPERING WALLS

SWAMP ISLAND

THE CRY AT MIDNIGHT