Highly rated books published more than 15 years ago.

The Universal Traveler: A Soft-Systems Guide to Creativity, Problem-Solving, and the Process of Reaching Goals Don Koberg, Jim Bagnall
Universal Principles of Design William Lidwell, Kritina Holden, Jill Butler
Design Research: Methods and Perspectives

Books with no star rating.

Sustainable Everyday: Scenarios of Urban Life Ezio Manzini, Francois Jegou