We do not check submissions for all possible mistakes. We only look at the technical aspect, which determine whether or not the book can be printed. We do not check the content or design of the book. You must make sure that content is edited to your satisfaction and designed correctly before you submit your book for publishing. Apart from that you should also make sure that the files are according to our specifications, have the correct size, correct DPI, right pagination, empty pages where needed, fonts embedded and suitable margins, among other things. If you do not find printed copy satisfactory, you can make corrections in the file and update them. It is recommended that you order one copy of the book as sample before opting for distribution or a larger print run.