The Old Testament book of Leviticus is the sequel to Exodus in that it deals with a deeper dimension of the Sinaitic covenant, giving various rules for the life of the Isrelites, and for the sacrifices and offering to be performed in the sanctuary.
Nobuyoshi Kiuchi comments on Leviticus in this Apollos Old Testament Commentary. Its laws express the vast distance between sinful people and a holy God, and enable us to appreciate God's grace in Christ. These commentaries are scholarly and are equally suitable for use by scholars and all serious students of the Bible.