Chp. 8 verse 2 - chp. 9 verse 8: Begins with the service of the Menorah and how is was made. Continues with the induction of the Levites to replace the firstborns, and to assist the priests in the service of Hashem. Chp. 9 begins with the only Pesach that was observed by the nation in the desert. Those that were spiritually unclean complained to Moshe about their inability to bring the Pascal sacrifice. Moshe tells them to stand there and wait and he would confer with Hashem.