edition

(noun) the form in which a text (especially a printed book) is published.

(noun) all of the identical copies of something offered to the public at the same time. Examples: "The first edition appeared in 1920." "It was too late for the morning edition." "They issued a limited edition of bach recordings."

(noun) an issue of a newspaper. Example: "He read it in yesterday's edition of the times."

(noun) something a little different from others of the same type. Synonyms: version, variant, variation. Examples: "An experimental version of the night fighter." "A variant of the same word." "An emery wheel is the modern variation of a grindstone." "The boy is a younger edition of his father."