Book of Deuteronomy have given various answers to the problem. The Deuteronomistic history theory is currently the most popular (Deuteronomy was originally just the law code and covenant, written to cement the religious reforms of Josiah, and later expanded to stand as the introduction to the full history); but there is an older theory which sees Deuteronomy as belonging to Numbers, and Joshua as a sort of supplement to it. This idea still has supporters, but the mainstream understanding is that Deuteronomy, after becoming the introduction to the history, was later detached from it and included with Genesis-Exodus-Leviticus-Numbers because it already had Moses
The Manga Bible: From Genesis to Revelation they also use free interpretation. Even though many of the important stories from the Bible are included, there are also some that would be expected, but are left out. For example, the building of the Tower of Babel and the whole Book of Esther are missing, In the Old and the New Testament only about half of the books are used as a source for "The Manga Bible". Many of the books that are left out would give only little to the development of the narrative, such as the Leviticus or books from the second part of the Old Testament,