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After being a subscriber to Book Shark since they started, I decided to try their promotions back in December 2016. I sold triple the amount of copies of Planting the Seeds of Love: A Novella I normally sell when I mark it down to 99 cents and it's all thanks to BookShark. Simple to sign up, payment a breeze and excellent customer service. I highly recommend them!

- N. N. Light, Author

There are a lot of small promotion sites out there, reasonably cost for new indie authors, but this one delivered results. I was pleased with the performance of my ad and would recommend Book Shark as a marketing source.

- Susan Ward, Author

BookShark gave my book a boost in sales that I didn't get with other promotion sites. I'll definitely use them again.

- Ren Alexander, Author

We weren't sure what to expect from Book Shark when we submitted The Phoenix Decree--there are so many shady ad sites out there. But BookShark's submission and payment processes were both simple. They accommodated our requested promotion dates, and we were so pleased with the results. I would definitely recommend them to future authors.

- Bokerah Brumley , Publicity Assistant

BookShark is one of the few promotion sites where you can advertise not only for Amazon, but also for Nook, iBooks, and Kobo. And it's still bargain-priced compared to many other sites, while providing reliable results. I know I can count on BookShark to respond quickly when I apply for a promo, and the customer service is prompt and personal. I had a great experience with BookShark, and they are on my "go-to" list for promotions in the future.

- Tamie Dearen, Author

I’ve used BookShark and was pleasantly surprised with the response I had for a free book promotion. They are easy to work with and the promo went far better than I ever imagined. Will be working with them again, and I have already suggested them to my fellow author friends.

- Brenda Kennedy, Author

The response from my first BookShark ad was a welcomed surprise. I received a great number of free downloads, giving me a substantial return on my investment in ongoing series sales. I will definitely be using them again in the future

- Eden Summers, Bestselling Author

BookShark was instrumental in catapulting my new release to the next level. Having a company willing to send out a new release blast was so helpful toward the success of my book reaching the Amazon Top 150! I plan to continue using them for all future releases and sales.

- Amy Daws, Contemporary Romance Author

We have used BookShark several times to advertise our mystery series with great results. Reasonably priced advertising that really works. Recommended!

- Vickie Britton, Author & Loretta Jackson, Author

BookShark was new to me the first time I had an ad, but I was thrilled with the results. Not only did I see enough downloads of my free book to make a big difference in ranking, but I sold more than enough full-price books in the series to cover the ad cost. I was so happy with the results and will continue to use Book Shark for my free and bargain books!

- Melissa McClone, USA Today Bestselling Author