Book two in the bestselling House of Secrets series. Get ready for another action-packed adventure! Just when the Walker kids thought they were safe, the Wind Witch blasts Kristoff House into a crazy world of battles, beasts and cyborgs. From the searing heat and clashing swords of the Colosseum, to the snow-capped Tibetan mountains and some seriously freaky monks - the stakes have never been higher! Can the Walkers save the world? Again? Brendan, Cordelia and Nell better be prepared to fight...