Designs in this book range in complexity from beginner to expert-level. This book Provides hours and hours of stress relief. There are millions of adults all around the world who are enjoying the simple relaxation and joy of coloring! 50 beautiful and intricate Mandala designs! Variety of levels of difficulty - from medium to very intricate One-sided pages; only one picture printed on each sheet. High-resolution images. A comfortable and convenient 8" x 10" size.