Libro Wincc -
This is the modern standard. If you are learning WinCC today, you are likely using WinCC within the TIA Portal (Siemens' unified engineering framework).
If you want the most authoritative "book," Siemens provides official and Getting Started guides. Search for these PDFs (use the exact titles): libro wincc
If you tell me you have (e.g., WinCC V7.4 or WinCC in TIA V18), I can point you to the exact official manual and a matching practical guide. This is the modern standard
In the modern era, the definition of a "libro" has expanded. libro wincc
: Concepts are broken down into manageable sections with step-by-step instructions.