Guest's eyes bulge at whopping value of late partner's book found in attic

An Antiques Roadshow guest was left visibly shaken after learning the extraordinary value of her late partner's long-lost book - and uncovering its sinister secrets. The BBC favourite travelled to Stephen's House in Finchley for its latest instalment, where expert Fuchsia Voremberg met a mother and son who had brought along a leather-bound tome with a remarkable past.