Depends if its digital or an actual in real life book
what are the best chess books for my level?
 
    
  
  
  Good Positional Chess, Planning & Strategy Books for Beginners and Beyond...
https://www.chess.com/blog/RussBell/introduction-to-positional-chess-planning-strategy
 
    
  
  
  Several books that I found helpful in moving from 2100 to 2400 OTB were How Karpov Wins and Karpov’s opening series: Open, Semi-open, Closed, and Semi-closed Openings.
 
    
  
  
   
     
    
 
     
    
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