Naughty & Nice Retro Pin-Up Girls Coloring Book will remind you of the 1950's & 1960's. Let your coloring imagination go wild and color this stirring retro pin-up girls grayscale coloring book. Color over all of the varying shades of gray and make the beauties come to life. Use different colors to highlight, shade, and shadow your retro coloring pages. There are many avenues of coloring tools to use. Colored pencils, gel pens, glitter pens, Prismacolors, Raffine Marco pencils, and Marco Renoir pencils are among the most popular.This grayscale coloring book includes- 1. 28 high-quality grayscale coloring pages. 2. 8.5" x 11" pages. 3. Each page is single-sided. 4. Each page has a beautiful pin-up girl for you to color. Feel free to review the coloring book and let me know how you enjoyed your coloring. Please visit JoyfulColoringBooks.com and join my newsletter. If you have a picture of a special pet or something else you would like made into grayscale coloring pages please contact me. I'll be happy to make a custom grayscale coloring page or coloring book for you. Please contact me at joyfulcoloringbooks@gmail.com More books to come Enjoy your coloring journey