25 Concepts is essential reading for students as well as anyone interested in understanding the development of design. It illuminates the importance of conceptual framework as the foundation of architecture and indeed any creative endeavor. * Calvin Tsao, Tsao & McKown Architects, Brooklyn, USA * Travis and Anderson have created an invaluable resource for understanding and interpreting modern architecture and its formal strategies. Pairing executed concepts and hand-drawn diagrams with design descriptions that are approachable and accessible, this book is ideal for architectural students, educators and enthusiasts. * Barbara Bestor, Fellow, American Institute of Architects, Bestor Architecture, Los Angeles, USA * This book illustrates and analyzes universal design principles in a clear and systematic way. The selection of acclaimed modern structures reveals the historical and theoretical impact these buildings have had within the architectural field. * Michael C. Abrams, Associate Clinical Professor, School of Architecture, Planning, & Preservation, University of Maryland, USA *