This Adult Advanced Coloring Book Set features two books, "Color My World" and "1-Crayons Hand Lettering Book", perfect for young adults and adults alike who are looking for a way to relax and express their creativity. The set includes a variety of colors and designs, featuring topics such as flowers, dream catchers, and more. With multiple publishers and an edition as a gift set, this coloring book set is a great addition to any collection. The books are in paperback format and are written in English.