The Sterkarm Kiss by Susan Price
The sequel to Susan Price's imaginative tour de force, The Sterkarm Handshake. The Time Tube is up and running again and this time FUP have a new plan - the Sterkarms who destroyed all their plans and invaded the twenty-first century last time will not get the better of them. This time they are the peacemakers with the ultimate weapon: love. But just how much faith can you put in a Sterkarm kiss? "This is a brilliantly imagined novel that has everything: adventure, treachery, violence, intrigue and love." The Bookseller