If a book was first printed in October 1984, it usually meant that the book was first printed in October 1984. This is a very important piece of time information that indicates that the book was published at the same time as the time of the publishing house and printing house, and can be regarded as the edition number of the book. October 1984 was a special day because the 10th month of the year was 1984 and the book was published in 1984. In addition, the first edition usually refers to the first printed version of the book, which means that it may be one of the earliest printed copies. Therefore, the book was published in October 1984, and the edition number was October 1984. The first edition could be a classic novel or an important literary work.