Pseudepigrapha

Jude 1:14 KJV And Enoch also, the seventh from Adam, prophesied of these, saying, Behold, the Lord cometh with ten thousands of his saints,

The apostle Jude read the book of Enoch it seems. If it is good enough for the apostle Jude, is it good enough for you?

Joshua 10:13 KJV And the sun stood still, and the moon stayed, until the people had avenged themselves upon their enemies. Is not this written in the book of Jasher? So the sun stood still in the midst of heaven, and hasted not to go down about a whole day.

2 Samuel 1:18 KJV (Also he bade them teach the children of Judah the use of the bow: behold, it is written in the book of Jasher.)

The book of Jasher is mentioned twice in the canon. If it is worth mentioning it should be worth reading.

Here is a list of non canonical books mentioned in the bible