From WENN.com

The actor, who has starred in two major Twain documentaries and often performs as the author onstage in one-man shows, will be honoured by officials at The Mark Twain Boyhood Home & Museum in Hannibal, Missouri in November (12), when he performs his Mark Twain Tonight! play in the town.

Holbrook, 87, also stars in new Twain film Holbrook/Twain: An American Odyssey.