Anybody found Amazon's "So You Like To..." Guide useful?

Anybody found Amazon's "So You Like To..." Guide useful?

Recently, I visited the website to search for some references, and I
found quite a few informative and interesting reader-supported guides.
Here are my favorites:

So you'd like to... Create MY Ideal Electronic Universe
http://www.amazon.com/exec/obidos/tg...ay/-/1O4V2K7GJ...

So you'd like to... use Renewable Energy to Save the World!!!
http://www.amazon.com/exec/obidos/tg...ay/-/1UQO0WDC1...

So you'd like to... Design CMOS Circuits
http://www.amazon.com/exec/obidos/tg...ay/-/15M7GMO72...

So you'd like to... Explore the Different Types of Science Fiction
http://www.amazon.com/exec/obidos/tg...ay/-/1W8RIF70G...

So you'd like to... See what the coolest electronics in the world are
http://www.amazon.com/exec/obidos/tg...ay/-/1IQRTCL9V...

I tried to find a guide for building the world's smallest MP3 player;
apparently it has not been created yet. I will like to talk to my
buddies at Apple about this.