I felt it was a fitting sequel. I didn't mind the jumping back to the past I found it intriguing. I almost wanted more original survivor stories than the current survivor stories!! I think it was necessary for the author to take us back, we needed the history. If I say more I may spoil the story. But if you liked [b:The Passage|6690798|The Passage (The Passage, #1)|Justin Cronin|http://d.gr-assets.com/books/1327874267s/6690798.jpg|2802546], then you most definitely should read this.