[1] It is mentioned in Numbers 21:13–14, which reads: From there they set out and camped on the other side of the Arnon, which is in the desert and bounding the Amorite territory.
'David Rosenberg suggests in The Book of David that it was written in 1100 BC or thereabouts.
Theologian Joseph Barber Lightfoot suggested that it was merely another title for the mysterious biblical Book of Jasher.
[3] It was probably a collection of victory songs written about Israel's military conquest of Canaan.
[4] A notable reference to an unnamed book is found in Exodus 17:14, where God commanded Moses to inscribe an Israelite military victory over the Amalekites in a book and recount it later in the hearing of his successor Joshua.