The expedition of Cyrus

I tried getting into this, and I just could not. It sounded interesting when I picked it up at my library: the story of a group of Greek mercenaries fighting for Cyrus as he tries to depose his king. Cyrus loses, and the Greeks are stranded in enemy territory. I think it could even make a decent movie these days. However, there is a lot of "they marched here for X miles" followed by "then they went here and there." Compared to works like Herodotus and Thucydides, which I have read, this was not as compelling. I am not sure I get why so many people here seem to mark it so high. Then again, it may have been a case of the book did not suit my mood.