 The hyphenated name Universal-Tandem was adopted as a corporate identity in 1968 after Tandem Books was bought by the American group Universal Publishing and Distribution Corporation Inc. (UPD), allowing Universal-Tandem to distribute some titles published by UPD in the United States in the United Kingdom.In 1973 Tandem established Target Books as a children's imprint.Target became well known for its highly successful range of novelisations and other assorted books based on the popular science-fiction television series "Doctor Who".