""A Captain Unafraid: The Strange Adventures Of Dynamite Johnny O'Brien"" is a thrilling novel written by Horace Smith. The book follows the story of Johnny O'Brien, a daring and fearless sailor who embarks on a journey filled with danger, intrigue, and adventure. Johnny O'Brien is a man who is not afraid of anything, and he is willing to take on any challenge that comes his way.Throughout the book, readers will be taken on a wild ride as Johnny O'Brien...