Eyal, Nir Hooked: how to build habit-forming products - Dublin : Penguin Books, ©2013. - x, 246 p. : ill. (b&w) ; 24 cm (Hardbound) Includes index. ISBN: 9780241184837 Subjects--Index Terms: Consumer behavior Consumers' preferences New Products Dewey Class. No.: 658.575 / EYA / B