Describir: RIBA book of 20th century British housing.

 _____      _____     ______    ______   _    _    __   __  __    __  
|  __ \\   |  ___||  /_   _//  /_   _// | || | ||  \ \\/ // \ \\ / // 
| |  \ ||  | ||__    `-| |,-    -| ||-  | || | ||   \ ` //   \ \/ //  
| |__/ ||  | ||__      | ||     _| ||_  | \\_/ ||    | ||     \  //   
|_____//   |_____||    |_||    /_____//  \____//     |_||      \//    
 -----`    `-----`     `-`'    `-----`    `---`      `-`'       `     
                                                                      
   ___    
  / _ \\  
 | / \ || 
 | \_/ || 
  \___//  
  `---`