Mathematics for the General Reader by E.C. Titchmarsh
        
          
        
      
  
    
        
        
      
  
    
        
        
  
  
        
      
  
    
        
        
  
        
      
  
    
        
      
  
    
        
          
            
              It is a classic - a really marvelous introduction to basic math, through the calculus, by a top mathematician who writes clearly, simply and beautifully.
Dover, 1981.
ISBN: 9780486241722. 197 pp.
Softcover. Very good.