first edition
Refers to the first published version of a book, magazine, or other printed work. Often used in bibliographic contexts or when distinguishing from later editions.
The first edition of this book was published in 1985.
The content differs slightly between the first and second editions.
The first edition of that novel was published last month.
The first edition had a print run of five thousand copies.
The first edition of this book is already out of print.