Book 3 from the talent behind the bestselling hardback YA debut of 2011. Dracula is on the verge of coming into his full power. Department 19 is on the back foot. Ladies & gentlemen: welcome to war. The stakes? Mankind's very survival... As the clock ticks remorselessly towards Zero Hour & the return of Dracula the devastated remnants of Department 19 try to hold back the rising darkness. Jamie Carpenter is training new recruits trying to prepare them for a fight that appears increasingly futile. Kate Randall is pouring her grief into trying to plug the Department's final leaks as Matt Browning races against time to find a cure for vampirism. & on the other side of the world Larissa Kinley has found a place she feels at home yet where she makes a startling discovery. Uneasy truces are struck new dangers emerge on all sides & relationships are pushed to breaking point. & in the midst of it all Department 19 faces a new & potentially deadly threat born out of one of the darkest moments of its own long & bloody history. Zero Hour is coming. & the Battle Lines have been drawn.