“As you may have heard, Createspace is being absorbed by KDP Print. Many folks expressed interest in finding a different publisher/distributor for their print books. Indies Unlimited has had articles comparing different paperback options and explaining how to move books from CreateSpace IngramSpark, but we haven’t had one yet that shows you how easy it is to publish directly to IngramSpark.”
Source: Publishing on IngramSpark Is Easy ‹ Indies Unlimited ‹ Reader — WordPress.com
This post offers a helpful step-by-step tutorial for uploading your manuscript, including screenshots. If you’re looking for a viable alternative to CreateSpace, this post is well worth checking out. My publisher uses Ingram and I’m happy with the way my books are printed. The option of offering standard bookstore discounts and returnability is a strong point, in my view, for using this platform.
–Malcolm
Malcolm's Round Table 
In my experience, IngramSpark does not meet printing standards. When I had IS print a few copies for me so that I could see its printing quality, I was appalled.
I’m surprised. A bad day at the printer. perhaps? Our copies are fine. Bookstores rely on their Ingram catalogs. Sorry your experience didn’t live up to the norm.