What book did Shizuka read in daidaidaidaisuki 100-nin?

Ever since I saw Shizuka's episode I've been wondering what book she reads. I would like to read it to satisfy my chūnibyō. I already know that it is likely that the book does not exist, but I would still like to ask about books that you think are similar. I understand that Shizuka was reading a romance book with epic fantasy. I request her help (please moderately famous books since I need a Spanish edition)