Is Rawdat al-Talibin wa Umdat al-Salikin a book by Imam Ghazali?

I don't think so at least not the book that we have in print. For example it quotes an author abu Najib al-Suhrawardi who died in 560 and was born in 490. Imam Ghazali died in 505. While they may have met but I don't think that Ghazali would have quoted him. In fact Abu Najib was a student of Imam Ghazali's brother Ahmad. Further there are sections that are out of the Ihya' the section on the...