The Penny Parker Mystery Series Volume I by Mildred A. Wirt

THE PENNY PARKER MYSTERY SERIES Volume I contains seven books in Mildred A. Wirt's popular detective stories for girls series. Includes an active table of contents for easy navigation.

DANGER AT THE DRAWBRIDGE (#3)
BEHIND THE GREEN DOOR (#4)
CLUE OF THE SILKEN LADDER (#5)
THE SECRET PACT (#6)
THE CLOCK STRIKES THIRTEEN (#7)
THE WISHING WELL (#8)
GHOST BEYOND THE GATE (#9)