The sixth book in the Mycroft Holmes Adventures seriesAfter rescuing Amelia, Mycroft has finally come to realise she's a permanent part of the Holmes brother's lives. The rest of the world and, more importantly, the royal family, won't allow anything less. Can he adjust the rules he's followed for decades and keep her safe?It doesn't take Amelia long to realise she's past the point of no return and a part of Mycroft's world for good. But does she really understand what life is like for them? And can she cope with guarding their biggest secret?