Use Canva.com → search “coloring book cover” → customize with text: “Mi Libro para Colorear Único de Disney” → download as image → merge it as the first page.
Go to publicdomainreview.org → search “fairy tale” → download 10 vintage illustrations.
Export your final PDF. Print only what you need, or upload to a tablet for digital coloring (using apps like Autodesk Sketchbook ).