Humayun Nama is indeed an important historical document written by Gulbadan Begum, the sister of Emperor Humayun and the aunt of Emperor Akbar. Unfortunately, Gulbadan Begum didn't write a book called "Humayun Nama"; rather, she authored a memoir titled "Humayun Nama" or "Humayun's Biography." This memoir provides valuable insights into the life and times of Mughal Emperor Humayun, particularly his struggles and triumphs during his reign. Gulbadan Begum's account offers a unique perspective on the events and personalities of the Mughal court, as she was closely associated with many of its key figures. Gulbadan Begum's writing style is engaging and provides a vivid portrayal of the era, making it an invaluable resource for historians and enthusiasts aike.