** spoiler alert ** 
 I thought the ending battle against the ancient God was lackluster at best... sort of a puff of smoke instead of an explosion. I do get what the writer aimed for with the cliff hanger which was good, expected though, mainly due to the lack of a dramatic enough ending. Jace is a likeable character even being as conceded as she is and the author did a great job on her as well as Charlie & the villains were well scripted too. The rest of the characters seem to just sit on the page. The fact that Jace seems to try to hook up with everyone including the villain is a bit odd considering her situation and romance of any kind should be the last thing on her mind. Overall a fair read and I will be continuing the series.