On the occasion of the book launch of What is Critical Spatial Practice?, editors Nikolaus Hirsch and Markus Miessen invite a series of protagonists from the fields of architecture, art, philosophy, and literature, including Beatriz Colomina, Liam Gillick, Aaron Levy, Suhail Malik, Reinhold Martin, Naeem Mohaiemen, Jorge Otero-Pailos, John Rajchman, Dieter Roelstraete, Martha Rosler and Felicity D. Scott to discuss the question of “what, today, can be understood as a critical modality of spatial practice?