Cassandra's Challenge (Challenge Series, #1)

Cassandra Chamberlain always stood out. It was hard not to at 6'1" and 165 pounds with jet black hair and sapphire blue eyes. And if that wasn't enough, she was also brilliant, having graduated from Harvard at 15, taught at MIT at 19 and been nominated for the prestigious Magellan Award at 25. But she'd never really fit in. Not with her peers, not with her contemporaries, only with her family. But everything changed when Earth was attacked. Cassandra and her niece, Victoria, were the only s...