I always thought that this was a fun book by Mark Kistler. Click on the image to see more about it and to purchase it. If you click on this book it takes you to amazon and you’ll be able to look inside and see what it teaches. This book has been around since 1988, but it is still loads of fun! Check it out.
He also has a fun website: http://www.drawsquad.com
have fun drawing!