Please review and click to download our book layout file guideline requirements below as this will answer many of your questions. Our automated workflow saves you money and requires PDF files created to our specifications. This ensures a smooth book printing production without delays and can alleviate additional charges. Once uploaded your digital files are reviewed, pre-flight checked, and analyzed for common errors. Our special computer software then positions your files according to the job specifications and prepares for output on the appropriate digital book printing press. If errors are found you will be contacted and requested to send corrected files for re-submission. Each file submitted to us requires a lot of time, effort, and training with specialized software and equipment on our part. Additional charges may be applied and may be avoided by following our file guideline requirements below.