Children of Steel ( audio story ) Children of Steel was the ninth " Sarah Jane Adventures " audiobook release . It was written by Martin Day , produced for AudioGO and read by Daniel Anthony . It accompanied the CBBC broadcast of series 5 , and was one of only two releases in the range read by someone other than Elisabeth Sladen , as the actress had died earlier that year . Publisher ' s summary . A steam - powered robot causes chaos for Sarah and friends , in this exclusive audio story read by Daniel Anthony . Sarah is thrilled when she successfully bids for a Victorian brass head in an antiques auction . On taking the metal model home , Mr Smith informs her that it contains a research probe from the future . Sarah speculates that the probe was used as the ' brain ' that powered the ' Difference Golem ' ; a mechanical servant built by eccentric inventor Sir Joseph Montague . She suggests destroying it , to prevent such advanced technology from falling into the wrong hands , but Rani persuades her that this would be wrong , as the golem could have been sentient . So she , Rani , Sky and Clyde travel to Holcote House , the former residence of Sir Joseph , in search of its body . But they are soon to discover that meddling with artificial intelligence can have dangerous consequences . . . Plot . Sarah Jane Smith , Clyde , Rani and Sky go to an antiques auction . Clyde thinks the auction was boring until Sarah sees the head of the Difference Golem Adam , which is alien . Sarah wants to buy the head , but also another woman is interested in it . When the bidding is over 130 pounds the woman soundenly stopps bidding and Sarah gets the head for 140 pounds . Since Sarah only got the head of Adam she tries to find his body . Mr Smith tells her that the head was sold by Oliver Guide who lives at Holcote House . The Bannerman Road gang decides to look there for the body . Oliver Guide shows them his cellar . Since the metal body is difficult to find Sky uses her electric power to find it . After body and head are put together Sky activats Adam with her electric power . Adam becomes alive . He tells them that when he waswas deactivated part of him was still aware of the passing months and years and part of him still existed in the darkness . He felt lonely . Sarah asks Adam to come with them when suddenly the woman from the auction appears in the cellar . She attacks Adam and soon both are gone . Sarah and her friends finally find Adam in a fabric . Adam has already activated may other Difference Golem s and is going to activate more . Adam lets them come to live by putting parts of his mind into the robots , whom he calls his children . He soon realises that each time he gives them the spark of life he is diminished by the process . Sometimes he even seems to forget who he is . Rani convinces Adam that he can ' t keep up dividing a brain like that . Adam is pleased that Rani calls him a " him " instead of an " it " . He listens to her , takes the research probe out of his brain and gives it to his daughter who promises to bring the probe back to the future . After this Adam ' s mechanical body is just as lifeless as his children . However he lives on and manages to get the daughter that later travels back in time to bring him or the probe back to the future . Continuity . " to be added "