- Help Center
- File Guidelines
My photos are 16-bit, should I reduce them?
Should my photos be 16-, 10-, or 8-bit?
We recommend your photos be reduced to 8-bit.
For printing, we'll need designed and print-ready PDF files (one file for the cover, back/spine/front, and one file for the interior) for printing and our file guidelines are at https://www.bookmobile.com/support/