This document provides details about Peter Chadwick's new book "This Brutal World", which catalogs his passion for Brutalist architecture. It discusses how Chadwick amassed over 30,000 photos of Brutalist buildings and started sharing them on Twitter, leading to the book deal. It describes some key features of Brutalism like board-marked concrete and geometric lines. It also discusses the divided opinions around Brutalism and efforts to preserve examples as many are being demolished.