Well, I can provide you with some general information about the probable author of the Bible book you referred to, based on Evangelical Christian scholarship and historical research.

The book you mentioned was not included in the traditional Hebrew Bible, but it is part of the Christian Old Testament. According to historical and biblical studies, the book’s author is unknown and remains a matter of debate among scholars.

However, some conservative theologians and Evangelical Christian scholars believe that the book may have been written by Ezra, a priest and scribe who played a key role in the restoration of the Jewish community after the Babylonian exile. This view is based on the fact that both Ezra and Nehemiah are believed to have been written in similar styles with an emphasis on the Law of Moses and the importance of the Jerusalem Temple.

Furthermore, some scholars suggest that the authorship of Ecclesiastes could also have been attributed to King Solomon, given that the book begins with the phrase “The words of the Teacher, son of David, king in Jerusalem” (Ecclesiastes 1:1), which they suggest could imply that King Solomon himself wrote the book.

However, these claims are disputed by other scholars, who argue that the authorship of Ecclesiastes remains uncertain, and that the exact identity of the book’s writer may never be fully known. Ultimately, the interpretation of the Bible is a matter of personal faith, and different theological perspectives and traditions may have divergent views on the authorship and interpretation of specific texts.