I didn't finish, and I didn't finish The Catechism in a Year either. Fr Mike may sound chirpy, but mere Bible reading is nevertheless too dry for modern sensibilities. I find https://www.youtube.com/playlist?list=PLs0kYUO87rySI6YTLBWNgVVxB-q-5Igxf more bearable.

Regardless of preferences, full reading of Genesis 1-11 is a must prior to Choose Your Own Theological Adventure. Obviously the Bible only speaks to contemporary trans issues indirectly, it's a tricky space.