Hi,
Here is the PyTorch book:

  
      
      pytorch.org
  
  
    

PyTorch 25

An open source deep learning platform that provides a seamless path from research prototyping to production deployment.


  
  
    
    
  
  


You can get it for free AFAIK.
Also, there are many great resources out there, so I won’t stop just here.
Bests