
Who Wrote the Book of Jasher?
Explore the authorship, dating, and transmission history of Sefer Ha-Yashar.
The Book of Jasher, also known as Sefer Ha-Yashar, is an ancient Hebrew text referenced twice in the Old Testament — in Joshua 10:13 and 2 Samuel 1:18. It fills in many gaps left by the biblical narrative, offering expanded accounts of familiar stories from Genesis through Joshua.
This in-depth article explores what makes the Book of Jasher unique, its historical background, and why it continues to captivate readers today. Each of its 91 chapters offers a fresh perspective on the early books of the Bible.
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