Old West Time-Life book set

Found these recently and know nothing about them. They are practically new and have a lot of good information in them. There's the women, the forty-niners, the end and the myth, the railroaders, the Texans, the ranchers,the Spanish west, the loggers, the townsmen, the river men, the Alaskans, the frontiersmen, the chronicles, the miners, the scouts, the pioneers, the soldiers, the great chiefs, the gunfighters, the gamblers, the Mexican war, the trail blazers, the expressmen,and the Canadians.