The term 'Collected Works of Author' can be summarized by two crossword solutions: OMNIBUS (7 letters) and CANON (5 letters). An OMNIBUS is a collection of works, such as stories, poems, or plays, that have been previously published in separate volumes. A CANON is a collection of works, usually literary, that are considered to be the most important and influential within a particular field. Both terms refer to a compilation of works by a single author.