...a much-needed guide for designing for the twenty-first century, built on a foundation of curiosity and respect.

Maurice Cherry

...loaded with practical examples and best practices that will help guide your team toward a cohesive system.

Jesse Bennett-Chamberlain

Erika’s book makes research accessible and helps you create an informed plan to better understand—and design for—your customers.

Liz Danzico

...[Dan] demystifies the process and provides a practical guide to start discovering your users’ real needs.

Christina Wodtke