Colourwash Quilts by Deirdre Amsden is a superb and inspiring book for advanced quilters.
If you enjoyed Strip Pieced Watercolor Magic, but you are ready to try more complex, innovative or original designs, this is an ideal book.
In this book, author Deirdre Amsden spends far more time explaining how to design your quilt than the details [...]

Strip-pieced Watercolor Magic by Deanna Spingola is one of the best book I have ever seen for creating elegant and impressive quilts using strip piecing.
You may have seen the quilts that I’ve made with tiny one-inch squares in them. This is the book that I used to put them together quickly and beautifully. [...]