Earle K. Bergey expanding paperback book industry along with skilled pulp artists like Rudolph Belarski, whose work is often confused with Bergey's. While continuing to paint pulp covers until his death, Bergey sold illustrations to at least four (4) leading paperback publishing houses, including Popular Library and Pocket Books. His art graced the covers of dozens of novels and helped to sell millions of volumes. His paperback cover illustrations were as diverse as his work for the pulps. In addition to his work on Anita Loos' famous "Gentlemen Prefer Blondes", Bergey painted cover art for well-known authors from Émile Zola to the Western
Gentlemen Prefer Blondes (novel) prompting Judge Hibbard to buy her a ticket to Hollywood so that she could use her talent to become a professional actress. He also names her ‘Lorelei’ because he believed it expressed her personality. Major Falcon informs Lorelei that Bartlett is now a senator travelling to Vienna for a secret conference. Major Falcon reveals that his mission is to find out what Bartlett is up to in Vienna. He encourages Lorelei to become friends with Bartlett, discover official secrets, and pass them on to him. Meanwhile, Lorelei deplores Dorothy's wasting time with a man who is a mere tennis champion.