spine width websites

Spine width covers publishing and print resources that explain how to calculate the thickness of a book spine. Visitors can find guides, calculators, and production tools that help prepare accurate cover files, avoid layout problems, and compare services that support print ready book design.

Book Covers Lab for Amazon KDP Authors

Book Covers Lab is a workflow focused software tool for self publishing authors, indie publishers, and book designers who need to create, repair, valida...