ABSTRACT is the yearly publication of work and research from the Columbia University Graduate School of Architecture Planning and Preservation. Produced through the Office of the Dean Amale Andraos, the archive of student work contains documentation of exceptional projects, selected by faculty at the conclusion of each semester. The 2015 edition includes the applied research of the school's laboratories and projects from design studios taught by Benjamin Aranda, Eric Bunge and Mimi Hoang, Juan Herreros, Steven Holl, Jeffrey Inaba, Andres Jaque, Laura Kurgan, Jing Liu, LOT-EK, Reinhold Martin, Kate Orff, Jorge Otero-Pailos, Hilary Sample, Bernard Tschumi, Nanako Umemoto and many others. This encyclopedic volume is conceived as both an organizational model for the school and a testament to the global distribution of the work included within. Abstract 2015 is Wire-O bound.