Like her previous books, a fun quick read that you shouldn't really think about too deeply. Titans is National Velvet meets the Hunger Games, or Star Wars mixed with My Little Pony. Enjoy the ride both figuratively and literally and don't let things like logic get in your way. Wish fulfillment from beginning to end, with a decent female role model, and some good moral lessons along the way. 
 The class politics and other well worn tropes may be laid on a little too thick but who cares. Poor girl makes good. Estranged parent reconnects with child. Broken-up couple refinds each other. The loyal pet gives its heart and its soul to the owner who wins its heart. Geek finds her inner talent. Stay in school and don't do drugs. Yada yada. It may be fiction by the numbers but it's fiction by the numbers done well. 
 Thumbs up.