Describir: The Czech Avant garde and Czech book design :

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