The fourth installment of the thrilling middle-grade fantasy series from bestselling authors Garth Nix and Sean Williams. Jack and Jaide Shield have defended themselves against The Evil before but its never been as dangerous as this. It isnt just the town of Portland thats threatened, its the whole Earth .
. . and certain dimensions beyond. The Wardens have devised a plan to get rid of The Evil once and for all.
The only problem is that destroying The Evil may also mean abandoning some innocent people including one of the twins. The battle against The Evil is going to places its never been places Jack and Jaide would have never even imagined possible. Their mission is clear survive the storm thats coming, and save the ones who are missing.