The New York Times bestseller that gives readers a paradigm-shattering new way to think about motivation from the author of When: The Scientific Secrets of Perf

At their peak, architectural marvels such as the Sagrada Família, the Tower of London, the Mosque–Cathedral of Córdoba, and the Eiffel tower, had a combined

"A manual of methods, principles and formulas for classical, computer, games, stop motion and internet animators"--Cover.

Effective interface animation deftly combines form and function to improve feedback, aid in orientation, direct attention, show causality, and express your bran