The Happy Hollisters and the Swiss Echo Mystery
West, Jerry / Hamilton, Helen S.![The Happy Hollisters and the Swiss Echo Mystery](https://support.digitalhusky.com/media/annotations/sorted/441/44140808/CHSBZCOP0344140808.jpg)
Business had originally brought the Hollister family to Europe. Then a new and exciting mystery led Pete, Pam, Holly, Ricky, Sue, and Mrs. Hollister on a thrilling chase while Mr. Hollister returned to America.
High in the Swiss Alps, a suspicious stranger in a cable car dropped a large black key which the Hollisters found. An insurance investigator named Johann Meyer was following the stranger, an international jewel thief. Mr. Meyer told the...