Zephaniah son of Cushi is given credit for writing the book of Zephaniah in the bible. It is also believed that it was written between 640 and 609 BC.

The author of the Book of Zephaniah is the prophet Zephaniah. The author of the Book of Zechariah is the prophet Zechariah.

if you mean the book about the gang of three, the auther was benjamin zephaniah

Today

Benjamin Zephaniah wrote a children's book titled "Warp and Weft" which was published in 2017. He is also a renowned poet and writer known for his work aimed at young readers that often addresses important social issues.