Complex sentence: He published and edited the semi-professional magazine "Last Wave" from 1983 to 1986, which was billed as "The Last Best Hope of Speculative Fiction" and published short fiction by Thomas M. Disch, Avram Davidson, and Ian Watson among other established authors.
Split into simpler sentences: He published and edited the semi-professional magazine "Last Wave" from 1983 to 1986. It billed itself as "The Last Best Hope of Speculative Fiction" and published short fiction by Thomas M. Disch, Avram Davidson, and Ian Watson among other established authors.