Describir: The Czech Avant garde and Czech book design :

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