Title: A Matter of Time (Cook novel)
Content:  A Matter of Time is a novel by Glen Cook, combining elements of science fiction (specifically, time travel), crime fiction and spy thriller. In regard to the last, the novel in particular takes up and expands the theme of American prisoners of war being brainwashed in Communist China and their loyalties reversed – a theme made famous through the novel The Manchurian Candidate and film made on its basis. The book was re-published in 2011, along with other earlier works of Glen Cook.
Title: A Matter of Time (Deshpande novel)
Content:  A Matter of Time is a 1996 novel by Shashi Deshpande. Unusually in Deshpande's fiction the focus is on the impact of the actions of a male character, Gopal, who leaves his family.
Title: Just a Matter of Time (novel)
Content:  .Just a Matter of Time is a 1973 thriller novella by British writer James Hadley Chase.
Title: A Matter of Time (film)
Content: Liza Minnelli as Nina ; Ingrid Bergman as Countess Lucretia Sanziani ; Charles Boyer as Count Sanziani ; Isabella Rossellini as Sister Pia ; Tina Aumont as Valentina ; Fernando Rey as Charles Van Maar ; Spiros Andros as Mario ; Gabriele Ferzetti as Antonio Vicari ; Orso Maria Guerrini as Gabriele d'Orazio ; Amedeo Nazzari as Tewfik ; Giampiero Albertini as Mr. DePerma ; Arnoldo Foà as Pavelli ; Anna Proclemer as Jeanne Blasto 
Title: A Matter of Time (film)
Content:  A Matter of Time is a 1976 American-Italian musical fantasy film starring Liza Minnelli and Ingrid Bergman, directed by Vincente Minnelli. The screenplay, by John Gay, is based on the novel The Film of Memory (La Volupté d'être) by Maurice Druon. The fictional story is based loosely on the real life exploits of the infamous Italian eccentric, the Marchesa Casati, whom Druon knew during her declining years in London while he was stationed there during World War II. The film marked the first screen appearance for Isabella Rossellini, the last for Charles Boyer, and it proved to be Vincente Minnelli's final project.
Title: A Matter of Time (Jason Sellers song)
Content:  "A Matter of Time" is a song co-written and recorded by American country music artist Jason Sellers. It was released in July 1999 as the first single and title track from the album A Matter of Time. The song reached #33 on the Billboard Hot Country Singles & Tracks chart. The song was written by Sellers, Annie Roboff and Craig Wiseman.
Title: A Matter of Time (film)
Content:  Chicago Sun-Times called it "a fairly large disappointment as a movie, but as an occasion for reverie, it does very nicely. Once we've finally given up on the plot – a meandering and jumbled business – we're left with the opportunity to contemplate Ingrid Bergman at 60. And to contemplate Ingrid Bergman at any age is, I submit, a passable way to spend one's time...she possesses a radiant screen personality...for people who love movie romance, A Matter of Time must have seemed like a dream project. And yet the movie just doesn't hold together." In Time, Jay Cocks wrote "It makes 
Title: A Matter of Time (Sennek song)
Content:  "A Matter of Time" is a song recorded by Belgian singer-songwriter Sennek, best known for representing Belgium in the Eurovision Song Contest 2018. Sennek co-wrote the track with Alex Callier and Maxime Tribèche. The song was officially released on 5 March 2018, one day before its scheduled release, as it was already leaked on YouTube.
Title: A Matter of Time (mixtape)
Content:  A Matter of Time is the debut mixtape by American singer-songwriter Mike Posner. It was released February 28, 2009.
Title: A Matter of Time (Cook novel)
Content:  or evil or whatever, was about to come apart, and at a rate which, historically speaking, would be precipitous. Cash supposed that he would live long enough to see the barbarians at the gates himself' (though he would hardly conceive of the idea that the barbarians' chieftain would be his own son ...). Already in 1986, it would have been implausible – to say the least – to seriously promote this view of the situation. ... A Matter of Time could be seen as setting a suitable coda to a very extensive genre, which exercised a considerable influence over popular imagination over decades. As such, it does possess some original and unique features. A renegade American setting up a global Communist dictatorship centered on Prague is an idea whose like was never conceived of before."

Question: Who is the author of A Matter of Time?
Answer: Glen Cook.
Greg Stevens.
Glen Charles Cook.