fkeel:
@tronixstufflooks like a decent book as for as I can tell from the preview. What would be important for me to know before I recommend it to others would be the availability and the cost of the materials you use. You might want to add a section on that to your previews.
just my 2c
You don't have to spend a lot - just make what you find interesting etc. Here's a link to the list of parts used - http://db.tt/S5yytQ0g They're all common and easily purchased.