The Lightning Thief did not want a war of gods. It was Zeus who wanted a war of gods because he believed Percy stole his lightning bolt, which would have been a serious act of aggression and could have led to a war between the gods.
Percy Jackson, the protagonist, did not want a war either. He was framed for the crime and trying to clear his name and prevent a war from happening. He ultimately discovered the real culprit was the Titan Kronos, who was trying to start a war between the gods so he could gain power.
Therefore, the idea that "The Lightning Thief wanted a war of gods" is incorrect. The book revolves around the efforts of Percy and others to prevent a war, not to start one.