introducing: troubletwisters

PublishersMarketplace.com says it best:

Children's: Fantasy
Bestselling novelists Garth Nix (The Keys to the Kingdom series, Old Kingdom Trilogy, The Seventh Tower series) and Sean Williams' (Star Wars: Force Heretic, The Broken Land Trilogy, The Fixers series) five-book fantasy adventure series TROUBLETWISTERS, the story of twins who have to move to a small coastal town to live with their eccentric grandmother, where they are drawn into an age-old struggle against an ancient entity called The...