Kammala jumla mai zuwa: Swarthout kuma ya fara sayar da gajerun labaru ga wallafe-wallafen ƙasa kamar "Cosmopolitan" da "The Saturday Evening Post". An biya shi $ 2500 a 1955 don daya daga cikin wadannan labarun, "A Horse for Mrs. Custer", wanda ya zama Randolph Scott low-budget Western don Columbia Pictures a 1956, a karkashin taken "7th Cavalry". Ranar da ya gama jarabawar digirin digirgir na karshe, ya fara rubuta wani littafi mai suna "Sun zo Cordura". An kafa shi ne a Mexico na 1916 a lokacin
Pershing Expedition don kama Pancho Villa, da kuma wasu daga cikin sojojin dakarun sojan doki na fiction sun kasance sunaye don Medals of Honor. An sayar da littafin nan da nan zuwa Random House sannan kuma zuwa Columbia Pictures a shekara ta 1958, ya zama ɗaya daga cikin manyan fina-finai masu motsi da Gary Cooper da Rita Hayworth suka buga a shekara guda. Wannan littafin "NY Times" mafi kyawun sayarwa da kuɗin fim sun ba Swarthout damar zama marubuci na ƙwararru a ƙarshe. Yana da shekara 39.