Mermaids, Fairies & Fantasy: Grayscale Adult Coloring Book for Stress Relief & Relaxation - Perfect for Artists, Mindfulness & Creative Therapy (Wingfeather Coloring Book)

This coloring book is challenging: it is a completely different type of coloring (I'd recommend googling and watching video on how to color grayscale before deciding to purchase). Also there are no perforations to tear the pages so you must be very careful removing pages. All of that said, that is all information given in the advertisement. I still give 5 stars because the images are beautiful and so far I have been able to remove the pages with a great deal of care. I am teaching myself to color grayscale--it is obvious there is a learning curve, but so far it is enjoyable. It seems you need to know a great deal about shading and blending to be really good at it. For me faces come naturally, but hair is difficult, but I imagine everyone is different.