Hi,
I was a professional in book publishing since 2000.
I'm familiar with PDF file submission for IngramSpark, Amazon/Createspace, Lulu and Blurb.com.
I will check all things (font, image resolution, margin, image effect (if any), etc.etc.)
Here are my previous projects for Ingram:
https://www.freelancer.com/jobs/project-6490195/
https://www.freelancer.com/jobs/project-6483116/
https://www.freelancer.com/jobs/project-6207339/
Thank you.
Regards,
Kusmin