Damaged Goods ( novel ) Damaged Goods is the fifty - fifth Virgin New Adventures novel , published in 1996 . It features the Seventh Doctor , Chris Cwej and Roz Forrester . The novel was notably written by Russell T Davies , nearly a decade before he revived the " Doctor Who " television franchise as executive producer . Publisher ' s summary . " " Wherever this cocaine has travelled , it hasn ' t gone alone . Death has been its attendant . Death in a remarkably violent and inelegant form . " " The Seventh Doctor , Chris and Roz , arrive at the Quadrant , a troubled council block in Thatcher ' s Britain . There ' s a new drug on the streets , a drug that ' s killing to a plan . Somehow , the very ordinary people of the Quadrant are involved . And so , amidst the growing chaos , a bizarre trio moves into number 43 . The year is 1987 : a dead drug dealer has risen from the grave , and an ancient weapon is concealed beneath human tragedy . But the Doctor soon discovers that the things people do for their children can be every bit as deadly as any alien menace - as he uncovers the link between a special child , an obsessive woman , and a desperate bargain made one dark Christmas Eve . Plot . The N - Form is an ancient Gallifrey an weapon , but this one is damaged . " There ' s a piece of N - form in every gramme of coke " The N - form has been reactivated for a future war . They were built for the war against the Great Vampire s , so the damaged N - form has found a vampiric waveform , the boy Gabriel Tyler and his long lost twin brother that his mother gave away . Mrs Jericho has adopted Gabriel ' s twin , Steven . Gabriel is draining life from Steven and creating the vampiric waveform as the boys have psi powers . Mrs Jericho believes it to be unfair that Steven is the dying brother and thinks saying that is dying and seeks out Gabriel . the N - form now running a mock taking what ' s left of the ex - drug dealer " the capper " and seek out Mrs Jericho and Gabriel . Mrs Jericho has a Lithopedian : a " stone baby " , a rare phenomenon which occurs most commonly when a foetus dies during an abdominal pregnancy , is too large to be reabsorbed by the body , and calcifies on the outside , shielding the mother ' s body from the dead tissue of the baby and preventing infection . This is Mrs Jericho ' s un - born child that she has always wanted and with the psi power of Steven has been giving this stone baby life driving Mrs Jericho insane . As she is the centre of the vampiric waveform , the N - form comes after her . She becomes part of the N - form and starts to destroy the Quadrant estate and activates the attack . Every one who has taken the cocaine has a engram on the brain which act as a " dimensional vent , through which the N - Form can the physical world , shoving itself into the brain and taking over . As a shaft of metal is working its way through the brains of the cocaine uses , the only why she can be stopped is by the Doctor activating the shutdown with the use of the Patrexian numbers . But to get to the data core of the N - Form , the Doctor must take some cocaine so he has a engram to connect to the N - Form . Activating the shutdown , Mrs Jericho finely gives birth to her child . The N - form is shutdown but at a price . All but Gabriel Tyler are killed as well most of the people on the Quadrant estate and ever user of the cocaine . Doctor travels back to the Christmas Eve when Winnie gave away Steven , and to when Bev looked down at the Doctor when she was younger .