In a world where Greek and Egypt must not collide, what happens when a pair of twins discover that they are both?
Meet Monica and Marcus Stone, the younger kid cousins of Walt Stone. When they both move to the Brooklyn House in order to learn magic better, what happens when they discover a letter from their father, written 15 years ago when they were born? And siblings they never knew they had?
Or a world they never knew existed, nor were supposed to?