Homemade Devices For Inventive Teens - Make Stuff For Fun    by Alan Detwiler
Price: $1.99 USD. 21230 words. Published on February 11, 2012. .
For the adolescent or anyone who enjoys making interesting mechanical devices and gadgets. Most items are made from small pieces of wooden boards, coat hanger wire, paper, and discarded household items. The items are mostly mechanically interesting, clever, or useful. This is for the tinkerer or anyone who enjoys using ingenuity to make improvised devices with common tools and materials.

Clever Construction - Use Common Stuff To Make Cool And Useful    by Alan Detwiler
Price: $2.99 USD. 12480 words. Published on February 12, 2012. .
Clever Construction describes a variety of homemade projects: toys and playthings, curiosities and novelties, useful and practical items. The book could be for someone looking for a hobby, cub scouts, boy scouts, or anyone interested in hands-on building and creating. It is meant to inspire wonder and appreciation for things mechanical and people's ability to conceive and create them.