The Torah IS Valid! The Covenant of Israel shows the Torah is still valid and has never been done away with because only the Holy One of Israel can do away with the Torah and nowhere in Scripture has He done this. To the contrary, He repeats over and over that we are to live by the Torah because it comes from Him and shows us what the Almighty considers to be sin. The Messiah Yeshua quoted Torah often and the Shaliach (Apostle) Shaul (Paul) upholds the Torah.
A House Divided-Q&A with Judah on the Two House Teaching answers questions that were posed to Rabbi Mordecai Silver, Ph.D., about the Two House Teaching and what it means for Judah, The Ten Tribes (Ephraim of Joseph) and the Nations (Goyim).
The Feasts of the Lord: Reflections on the Moedim for ALL ISRAEL covers all of the Moedim/Feasts from Vayikra (Leviticus) 23 plus some of the extra-Biblical ones like Channukah. These are teachings Rabbi Mordecai Silver, Ph.D., has put together over the years of his teaching.