If you want the best Pantone books for graphic designers you should prepare yourself to get more than one color guide. Read this before you make a decision.
How do I know which PANTONE color book to choose from in the
How to Pick the Right Pantone Swatch When Designing for Print
Creative Toolkit — Books About Colour for Designers — Studio
Pantone Books - Which One is Best for You?
Where to Buy CMYK Swatch Books - Nottingham Graphic Designer
Where Are the Pantone Colors in Adobe Illustrator?
9 Essential Color Theory Books for Designers and Artists - Zeka Design
10 Essential Color Theory Books for Graphic Designers and Artists
Pantone Colors: A Board Book for Designer Geeks
A Guide to Using Pantone Color Printing for Custom Packaging Solutions
My Favorite Color Theory Books – The Color Palette Studio
Pantone Color Books and Other Pantone Tools for Designers
Pantone Color Products for Graphic Design - Issuu
Guide to Using Pantone Colors and The Pantone Matching System