User blog comment:KrspaceT/The Seventh Demigod; Something unexpected?/@comment-3981209-20110715145900/@comment-76.127.2.189-20110715173157

In the synopsis of the book on the Amazon website for the UK, it says that "He (Percy) and fellow demigods Frank and Hazel must face the most important quest of all: the Prophecy of Seven." So, yes. Percy, Frank, and Hazel will be three others that are apart of the seven.