You won't be able to find Pantone Color books anymore if you are using the latest Adobe Illustrator version, v28.0 onwards. The good news is, there is a way to do that. In this guide
4 Easy Steps to Turn Any Color into a Pantone Color
How To Convert RGB To CMYK In Illustrator? [3 Easy Ways]
How To Convert Pantone To CMYK — PMS To CMYK [THE EASY WAY]
How To Convert RGB To CMYK In Illustrator? [3 Easy Ways]
How to create a Pantone ink design in Adobe InDesign
Pantone Connect - Apps on Google Play
How To Convert RGB To CMYK In Illustrator? [3 Easy Ways]
4 Easy Steps to Turn Any Color into a Pantone Color
How to create a Pantone ink design in Adobe InDesign
How to Redo in Adobe Illustrator [4 Easy Ways]
How to create a Pantone ink design in Adobe Illustrator
2 Easy Ways To Superscript In Illustrator You Should Know
4 Easy Ways to Find And Install Pantone Color In Illustrator
Adobe has pulled plug on Pantone - Software - Graphic Design Forum