As owners of the Bristlecone Mine in silver-rich Virginia City, Ben Cartwright and his sons face an unscrupulous speculator and mounting debts that threaten their financial empire.
Used availability for Stephen Calder's The Money Hole
May 1996 : USA Hardback
December 1993 : USA Mass Market Paperback
Title: Bonanza 5: the Money Hole (Bonanza, Book 5)
ISBN: 0-553-29045-2 / 978-0-553-29045-5 (USA edition)
Publisher: Bantam USA
Availability: Amazon UK