Reshma is a college counselor's dream. She's the top-ranked senior at her ultra-competitive Silicon Valley high school, with a spotless academic record and a long roster of extracurriculars. But there are plenty of perfect students in the country, and if Reshma wants to get into Stanford, and into med school after that, she needs the hook to beat them all.

What's a habitual over-achiever to do? Land herself a literary agent, of course. Which is exactly...