ISBN
An International Standard Book Number (or ISBN) is a commercial identifier for books. The ISBN is 10 or 13 digits long and it uniquely identifies internationally published books and book-like products. The ISBN numbers for Mixed Emotions are:
ISBN-10: 0970164017
ISBN-13: 978-0970164018
SAN
The Standard Address Number (SAN) is a unique seven-digit identifier used to signify a specific address of an organization in (or served by) the publishing industry. The Standard Address Number (SAN) for Heron Lake Press is: 253-2794
