Royalty Prints :Earning Passive Income with Mid-Content Books Overview Royalty Prints is a coaching and software program toolkit that gives every thing it is advisable create and promote mid-content books on Amazon KDP. Nurie Prints :Create and Sell Coloring Books with Ease Overview Nurie Prints is a coaching and free software program toolkit that permits you to create and promote coloring books, even if you’re a beginner. Get my confirmed technique to seek out coloring e book sub niches that are simple to rank for, and perfect for passive gross sales. GENERATED COLORING BOOKS, and it is every day passive gross sales. Choose from quite a lot of KDP trim sizes to make sure your coloring e-book pages are perfectly formatted for publishing. The flexibility of the AI-generated images means they can be utilized for numerous functions, from coloring e book pages to printables and digital downloads. 3. Enhances Seo: Engines like google like Google take web site performance and quality into consideration when rating pages. Take a heap snapshot to research memory usage. If you want to discover a distinct segment beyond coloring books, puzzle books are an exciting choice with substantial earning potential on Amazon KDP and Etsy.