do you believe official history book?
if without official history book,how people can know true history? can people really know true history?
History books, on the whole, are slanted to favor the country that prints them.
For recent history, there are many archives of video, newspaper, diaries, and other forms of records kept which you can sift through in order to get a fairly clear picture of things. Even a few hundred years ago there was news print, but it was basically in it's infancy as far as mass production and distribution, so it was very biased, and they made no attempts to hide that bias. So be careful about reading "official documents" from historical archives.
Previous to the last few centuries or so, trust in science as your key to history. Look at geological records, examine artifacts from site digs, and compare historical records from different places. If Ancient Empire 'A' has a written document saying that they were invaded by Ancient Empire 'B', try to find correlating information in the written records and physical evidence of Ancient Empire 'B'. If there are artifacts from 'B' in the geographical region of 'A' such as weapons, bones that have signs of violence, etc., then it's a good bet that the written record of 'A' is correct. Also try to find third party evidence, that is much more solid. Use the internet too, there's a wealth of information on here, but do your research and check your sources thoroughly.
Using only a history book to learn history is like using Lego's to learn how to build a house. The general ideas are there, but so much is missing or just plain wrong. That's why history books get updated every few years, after some science department digs up some new evidence.
"History" is a product of the powers that be and their bias.
For example much of our western cutlure "history" lies within the control of the Catholic church.
History must be approached with a open mind and multiple sources to even begin to have a glimmer of truth in reporting.
It is only through peer-assessment that academics decide what is credible or not. There is no 'official'.
Actually I dont believe the everything in the official history books. because mostly countries see the history only from their side because of that sometimes they skip some important points even if that points are very important for the human history.. it's better to read alot of things from different writers and see the opposite ideas of the same subject. so in that time people can see all the opinions and see and understand the real results of history..
NO! idon't believe in it! some offical history book just fake!