The Book of Jasher will, surface in the 21st century. This writer believes this book will surface in the last days as did the Dead Sea Scrolls; but not as the Rabbinc works of the 12th and 18th century.
The book of the Righteous one containing great events in the history of the nation of Israel. The book is quoted in the Old Testament, Joshua 10: 12-13. It portrays the old world account of the sun and the moon stood still, God casting down great stones from Heaven upon Israel’s enemies, while Israel defeats its enemies as they enter the land of Canaan
2 Samuel 1:19-27 consists of the lamentation of David over Saul and Jonathan.
The song of Deborah Judges 5 and 1 Kings 8:12 may also reference this book of Jasher.