In their review of the 6th edition, Popular Science Review noted that the author was now named as Brooke and observed that he had now made the book his own.
في استعراضها الطبعة 6 ، لاحظت مجلة العلوم الشعبية أن صاحب البلاغ كان اسمه الآن باسم بروك ، ولاحظ أن قطعتها الآن الكتاب بنفسه.