The team at Hasmark Services did an exceptional job in getting my book to a #1 best seller at Amazon, in spite of some initial challenges with my book distributor which caused a one day delay in getting the books in stock.  Nevertheless, Hasmark did not abandon their efforts and made another effort which succeeded beyond all our expectations.  I highly recommend them if you are looking to have your book ranked in the top 100.  They go above and beyond the call of duty.
– Kathy Hill, Amazon Bestseller