"Strokes of Genius 7: Depth, Dimension and Space" is a hardcover book by Rachel Rubin Wolf from the "Strokes of Genius" series, published by Penguin Publishing Group in 2015. Focused on art techniques, the book covers pen and ink drawing, pencil drawing, and drawing in general. With 144 pages and beautiful illustrations, this book is a valuable resource for artists looking to enhance their skills in creating depth and dimension in their artwork.