The Kane Chronicles, Book Three The Serpent's Shadow

The fate of the world hangs in the balance as siblings Carter and Sadie Kane face their biggest challenge yet - destroying the chaos snake Apophis. But with the magicians of the House of Life at war and the gods divided, the Kanes must rely on an ancient lost spell to turn the serpent's shadow into a weapon. Can they find the answer before it's too late? The gripping conclusion to The Kane Chronicles series will keep you on the edge of your seat until the very end.