The Wasp's Nest: Book I of the Wasp Chronicles

Chris has never thought of herself as anyone special-she's a band geek, and she's happily on her way to a high school marching band contest when suddenly she finds herself standing in the middle of an unknown desert. Is this a hallucination from the bottle of tequila that the teenagers enjoyed the night before? If it's a hangover, it's worse than anything she could have imagined...her band uniform causes her to be mistaken for an enemy soldier. Chris is rescued by a rag-tag band of resource...