Pollock, Tom

"Seventeen-year-old mathematical genius Peter Blankman battles his lifelong panic attacks as he tries to find his missing twin sister, Bel, and those who nearly assassinated his mother, a famous scientist"--Provided by publisher.

"Seventeen-year-old mathematical genius Peter Blankman battles his lifelong panic attacks as he tries to find his missing twin sister, Bel, and those who nearly assassinated his mother, a famous scientist"--Provided by publisher.

When her mirror sister, Parva, a twin confined to the subterranean world beneath London, populated by amazing creatures and terrible danger, is abducted, disfigured Pen Khan, burdened by a life of secrets, makes a terrible bargain for the means to track her down.

Expelled from school, betrayed by her best friend, and virtually ignored by her widowed father, Beth Bradley is introduced to the magic and wonder of a hidden London by Filius Viae, then helps him protect it from Reach, a malign god of demolition who wants to claim the skyscraper throne for himself.