Alexandra Quick begins eighth grade at Charmbridge Academy angry and in denial. When guilt and obsession lead her to a fateful choice, it is not only her own life that hangs in the balance, for she will uncover the secret of the Deathly Regiment!

Seventh grader Alexandra Quick returns to Charmbridge Academy. This year she will face bullies from another wizarding school, a secret Dark Arts club, and her father's scheming, but her most terrible trials await her in the strange and deadly Lands Below!

The war is over, and all is well, they say, but the wounds remain unhealed. Bitterness divides the Houses of Hogwarts. Can the first children born since the war's end begin a new era, or will the enmities of their parents be their permanent legacy?

The war against Voldemort never reached America, but all is not well there. When 11-year-old Alexandra Quick learns she is a witch, she is plunged into a world of prejudices, intrigue, and danger. Who wants Alexandra dead, and why?