Mary Escano
The Missing Formula
Read by Mary Escano
Mildred A. Wirt Benson





Orphan Anne Fairaday faces a life of poverty upon the death of her father. The only thing that can prevent it is finding his latest experime…
The Secret of Casa Grande
Read by Mary Escano
Helen Randolph





While visiting their friend, Florence, at her home in Mexico, Jo Ann and Peggy noticed a barred window which has no opening into any of the …
The Mystery of the Fires (version 2)
Read by Mary Escano
Edith Lavell





Mary Louise Gay decided to spend the summer holiday in her family's cottage at Shady Nook. But an unknown arsonist has been setting the cot…