Penny Parker goes on vacation with her father and quickly becomes engrossed in a search for foreign spies! What are the spies up to, and what information are they transmitting over the radio? And, how does her father's new friend fit into the whole picture? Follow Penny as she solves the mystery of The Voice from the Cave!This book is from the Penny Parker series by Mildred A. Wirt, also known as ghostwriter Carolyn Keene, of the Nancy Drew series of books.
|Product dimensions:||5.50(w) x 8.50(h) x 0.36(d)|
About the Author
Mildred Wirt (July 10, 1905 - May 28, 2002) was an author of children's books. She most famously wrote several of the books in the Nancy Drew series as a ghostwriter, under the name Carolyn Keene. Born in Iowa, Wirt was a journalist by trade for 58 year, until her death in Ohio at the age of 96.