IMO any book about hitler would be deemed factual,because there are people who lived through those terrible times,who can verify the facts. but who is to say that in 2000 years time,someone might discover an old book of j.lennons lyrics and decide that his ideals are the way forward,the new religion.there would be no-one to say how or why ,no proof .and that same person discovers biographies {authored by his apostles/fans/followers} of lennon,saying how great he was. would you believe in it? i wouldn't. and yet im asked to believe that jesus,mohammed,buddah,jehovah,etc is truth,just because you tell me it is. i dont believe all books are worthless,just those that try to indoctrinate our minds into believing something that cant be proven. i think...... ed