Select the most appropriate one-word substitution for the given group of words. 

Book containing all the published work of an author 

Omnibus

The most appropriate one-word substitution for "book containing all the published work of an author" is omnibus.

• Epilogue is a concluding section of a book or play.
• Prologue is an introductory section of a book or play.
• Index is a list of topics or terms in a book, with references to the pages where they are discussed.

The word omnibus comes from the Latin word "omnes," meaning "all." An omnibus is a book that contains all of the published work of an author, or a collection of works by different authors. For example, the Complete Works of Shakespeare is an omnibus.