I personally like paperback books. While an authorial book is a dream, here is my book wish list to deep dive into Automation

Automate the Boring Stuff with Python, 2nd Edition: Practical Programming for Total Beginners

Network Programmability and Automation: Skills for the Next-Generation Network Engineer

Mastering Python Networking: Your one-stop solution to using Python for network automation, programmability, and DevOps, 3rd Edition

Programming and Automating Cisco Networks: A guide to network programmability and automation in the data center, campus, and WAN (Networking Technology)

Network Programmability with YANG: The Structure of Network Automation with YANG, NETCONF, RESTCONF, and gNMI

Cisco Certified DevNet Associate DEVASC 200-901 Official Cert Guide

The Hitchhiker’s Guide to Python: Best Practices for Development