How to Enter: To enter, visit Hachette Book Group, Inc. (the “Sponsor”)’s sweepstakes Instagram post (“Sponsor’s Sweepstakes Page”) to Comment, Follow, and Enter (the “Entry Form”). All entries become the sole and exclusive property of Sponsor, and receipt of entries will not be acknowledged or returned. In the case of unavailability of any Prize, Sponsor reserves the right to substitute a prize of equal or greater value. Any potential winner may be requested to provide Sponsor with proof that such potential winner is the Authorized Account Holder of the email address associated with the winning entry. Sponsor: Hachette Book Group, Inc., 1290 Avenue of the Americas, New York, NY 10104, Attention: NS Desk 4307.