Limited time offer available from September 11, 2019 12:00AM EST to September 24, 2019 at 11:59PM EST. Offer valid on select digital content only. Discount applied at checkout. Offer has no cash value and cannot be transferred or exchanged for other digital content. This offer is not valid in conjunction with any other offer or promotion and cannot be used to adjust the amount paid on previous purchases. Rakuten Kobo Inc. reserves the right to change or cancel this offer at any time without notice.