Read few Packt books written by authors that know nothing about the topic of the book.

For example their blender book is absolute trash and waste of time.

https://www.packtpub.com/hardware-and-creative/blender-3d-ba...

Their model in the middle of the book could be made in 5mins. And most of the book author writes about history of animation and other offtopics.

https://subscription.packtpub.com/book/hardware_and_creative...