The origins of the book are complex and controversial.

But he then launches into a long, dense discussion of the structure, origins and characters of the book.

The origin of the book is uncertain.

The origin of the book is unknown, but it is possible that it was written by multiple authors.

The origins of the book have been described by Lindgren several times.

In a 2012 interview, Alexander told the story of the origin of the book.

Modern scholars disagree on the origin and value of the book.

Critics have widely debated the origin of the book.

Böhme and her publisher always maintained their account of the origins of the book.

The book examines widely held beliefs about the historical origins and sources of the Islamic holy book.