As can be seen, the cover of Sentient City: Ubiquitous Computing, Architecture, and the Future of Urban Space , published by The Architectural League and the MIT Press , features "a special 'heat sensitive' cover which will change color when exposed to sunlight or touch." Note that using the book as a coaster, like me, makes it quite difficult to read. The book follows the League's " Towards the Sentient City " exhibition from 2009, with case studies by David Benjamin, Soo-in Yang, and Natalie Jeremijenko; Haque Design + Research; SENSEable City Lab; David Jimison and JooYoun Paek; and Anthony Townsend, Antonina Simeti, Dana Spiegel, Laura Forlano, and Tony Bacigalupo; and essays by Martijn de Waal, Keller Easterling, Matthew Fuller, Anne Galloway, Dan Hill, Omar Khan, Saskia Sassen, Trebor Scholz, Hadas Steiner, Kazys Varnelis, and Mimi Zeiger. A review is forthcoming.