Bonanza (1968); "Ponderosa Kill" by Dean Owen (1968); "The Pioneer Spirit" by Stephen Calder (1988); "The Ponderosa Empire" by Stephen Calder (1991); "Bonanza: The High Steel Hazard" by Stephen Calder (1993); "Journey of the Horse" by Stephen Calder (1993); "The Money Hole" by Stephen Calder (1993); "The Trail to Timberline" by Stephen Calder (1994); "Bonanza: Felling of the Sons" by Monette L. Bebow-Reinhard (2005), and "Bonanza: Mystic Fire" by Monette L. Bebow-Reinhard (2009). There is also a collection of Bonanza stories: "The Best of Bonanza World: A Book of Favorite Stories," published by CreateSpace Independent Publishing Platform (2012). "Bonanza Gold" (2003–2009),
Beechcraft Twin Bonanza it did use some of the tooling jigs for the Bonanza as did the Travel Air (which was a closer derivative designed later). The Twin Bonanza was first flown on November 15, 1949 after rapid development, begun only in April of that year. The Model 50's type certificate was awarded in 1951, and production began the same year. The United States Army adopted the Twin Bonanza as the L-23 Seminole utility transport, making it the largest fixed-wing aircraft in its inventory at that time. According to Ralph Harmon, the airplane's designer, during an initial demonstration flight for the Army, Claude