I'm not the only one teaching music out there. There are so many great resources on the internet for learning music, and I encourage you to use everything that is helpful for your progress.
I have an app called Piano Planet:
https://pianoplanet.app
For method books, and modern music:
https://www.sheetmusicplus.com/
Wikipedia - Piano
https://en.wikipedia.org/wiki/Piano
Wikipedia - Musical Theory
https://en.wikipedia.org/wiki/Music_theory
Wikipedia - Musical History
https://en.wikipedia.org/wiki/Music_history
Wikipedia - Musical Tuning
https://en.wikipedia.org/wiki/Musical_tuning
Golfers Elbow - Piano Injury
https://tenniselbowclassroom.com/golfers-elbow/
Piano Map - Piano Injuries
https://www.pianomap.com/Injuriesindex.html