Erimem ( series ) Erimem was a series of stories published by Thebes Publishing . They starred the character Erimem , who was previously a recurring companion of the Fifth Doctor in stories released by Big Finish Productions . Iain McLaughlin , the creator and copyright holder or Erimem , was the series editor . The series had Erimem living in modern day London with a group of close friends , sometimes travelling to other times and places using a time machine called the Habitat . " Erimem " was largely divorced from Erimem ' s period in " Doctor Who " , with Erimem forgetting all of her life from around the beginning of " The Eye of the Scorpion " to the moment just before she appears in the first " Erimem " novel , " The Last Pharaoh " . , " The Eye of the Scorpion " is the only " Doctor Who " story from which " Erimem " has derived elements ; however , elements from the non - " Doctor Who " stories " The Coming of the Queen " and " Return of the Queen " have been included ( such as Carra Wilton , Kerides , and Adrea ) . The Erimem series through the years . 2015 . The " Erimem " series began on 5 June 2015 with the release of " The Last Pharaoh " . " The Last Pharaoh " introduced the Habitat , the London Museum of History and Antiquities , and series regulars Andy Hansen , Ibrahim Hadmani , Helena , and Tom Niven . The novel also set up an ongoing mystery in the series – that of Helena ' s immortality – in a brief scene near its end . The next release was the novella " The Beast of Stalingrad " , which had the main characters dealing with the emotional consequences of the events of " The Last Pharaoh " while also involved in a standalone story . It included the short story " The One Place " by Claire Bartlett , which greatly expanded on Andy Hansen ' s backstory . Around the release of " The Last Pharaoh " , Thebes Publishing began offering a three - book subscription to the " Erimem " series which covered " The Last Pharaoh " , the not - yet - released " Into the Unknown " , and a third book which has still not been released . On 10 October , subscribers were emailed the first part of the novella " Angel of Mercy " . They received the second and third parts over the course of the next month . There were originally plans to release the anthology " Into the Unknown " in late 2015 , but the book was delayed to the beginning of the next year ; because of this , the Christmas short story " In Search of Doctor X " was released for free on the Thebes Publishing website . 2016 . The first 2016 " Erimem " release was the short story anthology " Into the Unknown " . Several of its stories started or continued ongoing threads in the series : " Alone in the Dark " integrated Trina Barton into the main " cast " of " Erimem " ; " Wardenclyffe " , " Tomorrow ' s Fish and Chips " , and " Serpent ' s Child " all gave hints towards Helena ' s immortality ; " Echoes " foreshadowed Adam Docherty ' s relationship with Erimem ; and " Tom ' s Story " introduced Tom Niven ' s mother . The next release was the novella " Prime Imperative " , which included the short story " Home " by Iain McLaughlin . The next novella , " Buccaneer " , introduced Olivia Parson , who became a recurring love interest for Andy Hansen . It included the short story " Arrrr . . . " by Claire Bartlett . 14 December saw the release of " All I Want for Christmas " , an anthology of Christmas short stories ; including " Lonely This Christmas " , which showed Tom Niven continuing to be manipulated by his mother , and " Last Christmas " , which gave more hints about Helena ' s immortality and foreshadowed Ibrahim Hadmani ' s potential death in the coming year . 2017 . The first release of 2017 was the novella " Churchill ' s Castle " . Its story had Trina Barton deciding to quit having adventures with Erimem and friends , ending her time as a series regular . It included a prelude to the novel " The Three Faces of Helena " . " The Three Faces of Helena " was originally slated for release in early 2017 as a collection of three novellas by three different writers , but behind the scenes creative differences caused one of the writers to be dropped and " The Three Faces of Helena " was rewritten by Iain McLaughlin into a single novel , delayed first to May , then to 26 August . After two years of build - up , the novel finally explained the nature of Helena ' s immortality and revealed her previously secret motivations . It also featured the prevention of Ibrahim Hadmani ' s previously foreshadowed death and the marriage of Ibrahim and Helena . The novel also heavily used two major characters from the works of Henry Rider Haggard to tie - in with Thebes Publishing ' s reprintings of Haggard novels . The next " Erimem " release was " The Collected Adventures 2015 " , a volume containing all of the " Erimem " stories released in 2015 : " The Last Pharaoh " , " The Beast of Stalingrad " , " The One Place " , " In Search of Doctor X " , " Angel of Mercy " . " The Collected Adventures 2015 " was the first release to use a new , curvier version of the " Erimem " logo on its cover . It was the final " Erimem " book of 2017 . 2018 . The first " Erimem " release in 2018 was the novel " Return of the Queen " , an expanded adaptation of the " Kerides the Thinker " audio drama of the same name .