The three-dimensional world of sculpture comes alive in ?this museum without walls, ? the sixth thought-provoking art book from Bob Raczka. As curator of this exhibition, Raczka focuses on sculpture from the twentieth century, arranging alphabetically from A (in the form of an Arrow) to Z (in the shape zig-zags). He not only points out different styles of sculpture such as abstract, kinetic, and relief, but also covers the variety of materials?stone, scrap metal, even light?that sculptors can use. A gallery collection like no other, this book is sure to delight and inspire.