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In the Shadow of Diablo: Mystery of the Great Stone House

Sept 16 book talk and signing with author Dan Hanel

The Contra Costa County Historical Society invites you to its next Author in the Archives Series on Saturday, September 16th. Author and educator Dan Hanel presents an illustrated talk about his book In The Shadow of Diablo: Mystery of the Great Stone House. Enjoy hearing Dan talk about his novel which alternates between a local teacher’s present day adventure and the historical accounts of the brutal murder of Dr. John Marsh, one of the most important figures in Contra Costa County and California history. Dan’s talk begins at 1:00 pm. Book signing to follow immediately. Free parking. Refreshments will be served. RSVP is requested. Email: or Call: 925-229-1042 For more information, visit A $10 donation is suggested at the door. All proceeds benefit the preservation work of the Contra Costa County archives.
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