The Penny Nichols Mystery Series by Joan Clark

THE PENNY NICHOLS MYSTERY SERIES contains the complete series in Mildred Wirt Benson's (writing as Joan Clark) popular detective stories for girls series. Includes an active table of contents for easy navigation.

PENNY NICHOLS FINDS A CLUE
PENNY NICHOLS AND THE MYSTERY OF THE LOST KEY
PENNY NICHOLS AND THE BLACK IMP
PENNY NICHOLS AND THE KNOB HILL MYSTERY