Describir: RIBA book of 20th century British housing.

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