Free $5 Amazon Credit if you try Prime Reading - YMMV

Just came across this offer in my prime account. Not sure if it is targeted.
Read free with Prime Reading, earn a $5 credit. Get $5 when you download your first eBook with Prime Reading. Limited-time offer. Restrictions apply.

1. Pick any eBook in Prime Reading and select 'Read for Free.'
2. Claim your $5 credit at amazon.com/prime (we'll send you a reminder email). You can claim immediately after you pick an eBook.
3. Go shopping. Credits will be automatically applied to qualified purchases in checkout.
http://www.amazon.com/prime

T&Cs:

- Offer only applies to physical products sold by Amazon.com. Products sold by third-party sellers or other - Amazon entities will not qualify for this offer, even if "fulfilled by Amazon.com" or "Prime Eligible".
- Offer good while supplies last.
- Shipping charges and taxes may apply to discounted and free promotional items.
- Items must be purchased in a single order and shipped at the same speed to a single address.
- Offer limited to one per customer and account.
- Taxes, shipping and handling, and gift wrap charges do not apply when determining minimum purchase amount.
- The maximum benefit you may receive from this offer is $5.
- You will receive an e-mail from Amazon that indicates the dollar amount of the promotional credit and that the dollar amount of the credit has been added to your customer account. The e-mail will also provide instructions on how to redeem the promotional credit.
- Promotional code expires 30 days.
- Amazon reserves the right to modify or cancel the offer at any time.
- Offer is non-transferable and may not be resold.
- Offer discount will be allocated proportionally among all promotional items in your order.
- If any of the products or content related to this offer are returned, your refund will equal the amount you paid for the product or content, subject to applicable refund policies.
- If you violate any of these terms, the offer will be invalid.
- Unless an Amazon Gift Card is the stated benefit of the promotion, promotional codes may not be redeemed for Amazon Gift Cards.
- This offer is available to Prime members only.