Companion (Doctor Who) companions too have been depicted in the revived era, such as Jo Grant (n/k/a Jo Jones)'s grandson Santiago Jones; and Sarah Jane Smith's parents, adopted son Luke Smith, adopted daughter Sky Smith, and alternate timeline fiancé Peter Dalton; and Alistair Lethbridge-Stewart's daughter Kate Stewart. Another change in the revived era is the depiction of many companions' pre-Doctor lives, particularly their childhoods; no companion was so depicted in the classic era, aside from John Benton being temporarily 'de-aged' by The Master. Companions Rose Tyler, Mickey Smith, Adelaide Brooke, Amy Pond, Rory Williams, River Song and Clara Oswald have all been portrayed
The Discworld Companion each article is an abbreviation indicating the book(s) in which the word, person, event or place appeared (if there are too many, then no abbreviation is used). The book also includes an introduction by Stephen Briggs and an interview with Terry Pratchett, both of which have also been "updated" in each edition. Latest edition of the companion was published on 18 October 2012 and is called Turtle Recall: The Discworld Companion...So Far. It includes information up to, and including, "Snuff". The Discworld Companion The Discworld Companion is an encyclopaedia of the Discworld fictional universe created by Terry Pratchett and Stephen