<p>As Al Ries and Jack Trout-the world-renowned marketing consultants and bestselling authors of Positioning-note, you can build an impressive airplane, but it will never leave the ground if you ignore the laws of physics, especially gravity.</p>

22 Immutable Laws of Marketing

Business & Money

JACK TROUT' 'AL RIES

Marketing & Sales

Harpercollins

See the best price to sell, buy, or rent books by JACK TROUT' 'AL RIES. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

Books by JACK TROUT' 'AL RIES

See the best price to sell, buy, or rent books by JACK TROUT' 'AL RIES. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

22 Immutable Laws of Marketing