Fix book layout.
-rw-r--r-- 12 .gitignore
-rw-r--r-- 35147 COPYING
-rw-r--r-- 2162 README
drwxr-xr-x - blank-canvas
drwxr-xr-x - grid
drwxr-xr-x - spots
drwxr-xr-x - stripes