 In the 1990s, Asprin's "Phule" novels followed the humorous science-fiction exploits of a rag-tag company of the "Space Legion" and its wealthy and iconoclastic leader, Willard Phule.Due to a series of personal and financial problems, Asprin stopped writing in the 1990s.He had two books on The New York Times Best Seller list which piqued the interest of fans and the IRS.