Here is one of my ebooks I have available for sale.
The price on my website is $10.75 for a PDF version
Printed copies are $20.00 which includes shipping.
This is my Playing With Boston Blocks ebook
You can see a preview of some of the pages here
in it you will find my directions for making the Boston Block and then you'll find lots of my original quilt block designs. I show you how to use placement of blocks and how to use color in the blocks to make your own quilt blocks plus lots more. There are also several project ideas for using the Boston Block method.