BEST SELLERS

 

Eli Whitney's 250th Birthday

Eli Whitney was an American inventor best known for inventing the cotton gin, one of the key inventions of the Industrial Revolution.

 

TESTIMONIALS

PTA-DC did a fabulous job. Here's a concrete illustration of just how good you are and the power of radio: After my interviews yesterday, the Amazon sales position went from: 5629 to 1293.
— PETER LANCE, Author of "Triple Cross"