I don't know who the author of 'Kabul the Untold Story' is. There could be many people who might write about such a topic, and without more information, it's hard to say.
I'm not entirely sure as I haven't read it specifically. But it might be about the hidden or less - known aspects of Kabul, perhaps its history, culture, the lives of its people, or events that took place there that haven't been widely publicized.
Shooting Kabul is definitely fiction. Authors often create such stories to entertain and engage readers through their imagination and creative storytelling skills, and that's the case with this one.
I'm not entirely sure specifically as the statement is rather ambiguous. It could potentially refer to some unshared experiences or events in the life of the SNSD girls during their time of rest or away from the spotlight.
I'm not sure specifically as I don't know which 'The Untold Story' you are referring to. It could be about a historical event that has been overlooked, or perhaps a personal journey that hasn't been widely shared.