Question: Who, also publishing under the name Lydia Gregory, also published Wagon Train to the Stars?

Context paragraphs:
Wagon Master: Wagon Master is a 1950 Western film about a Mormon pioneer wagon train to the San Juan River in Utah.  The film was conceived, produced, and directed by John Ford, who is often listed among the greatest film directors.  The film stars Ben Johnson, Harry Carey Jr., Joanne Dru, and Ward Bond.  "Wagon Master" inspired the US television series "Wagon Train" (1957–1965), which starred Ward Bond until his death in 1960.  The film was a personal favorite of Ford himself, who told Peter Bogdanovich in 1967 that "Along with "The Fugitive" and "The Sun Shines Bright", "Wagon Master" came closest to being what I wanted to achieve."  While the critical and audience response to "Wagon Master" was lukewarm on its release, over the years several critics have come to view it as one of Ford's masterpieces.

Star Trek: New Earth: Star Trek: New Earth is a series of "Star Trek" novels published by Pocket Books in the United States, as part of Pocket’s "" line.  Based on the titular TV series created by Gene Roddenberry, "New Earth" was created by Pocket editor John J. Ordover and writer Diane Carey, and debuted on June 1, 2000, with the publication of the first two installments, "Wagon Train to the Stars" and "Belle Terre".  (“Wagon Train to the Stars” was a phrase with which Roddenberry described "Star Trek" when he pitched the show to network executives in the 1960s, who were fixated on the success of TV westerns.)  The other four novels in the series followed in July and August of that year.

Sallie Fox: Sarah (Sallie) Estelle Fox Allen (1845 – 7 February 1913) was a California pioneer and a member of the ill-fated Rose–Baley Party, the first emigrant wagon train to attempt the journey from New Mexico to California via Beale's Wagon Road.  A twelve-year-old child when she traveled on the wagon train, she was the subject of the 1995 children's book "Sallie Fox: The Story of a Pioneer Girl".  The apron that she wore over her dress when she was seriously injured by a Mojave Indian arrow during the 1858 attack on the Rose–Baley wagons is displayed in the Vacaville Museum which also holds an annual "Sallie Fox Day".

Wagon Train to the Stars: Wagon Train to the Stars is a "" novel written by Diane Carey.

Wagon train: A wagon train is a group of wagons traveling together.  In a military context, a baggage train was the wagon train that followed an army with supplies and ammunition.

List of Wagon Train episodes: "Wagon Train" is an American western television series that was produced by Revue Studios.  The series was inspired by the 1950 John Ford film "Wagon Master".  It ran for eight seasons with the first episode airing in the United States on  18, 1957 (1957--) and the final episode on  2, 1965 (1965--) .  Its first five seasons were broadcast on the NBC network and the remaining three on ABC.  In some syndicated reruns "Wagon Train" was often retitled "Major Adams" or "Major Adams, Trailmaster".

Lydia (name): Lydia is a feminine first name of Greek origin (Greek: Λυδία , "Ludía", from λυδία ("ludía"; "beautiful one", "noble one", "from Lydia/Persia") a feminine form of the ancient given name, Λυδός (Lydus, from λυδός (lydus)).  The region of Lydia is said to be named for a king Λυδός (Lydus, from λυδός (lydus)); the given name Lydia originally indicated ancestry or residence in the region of Lydia.

Diane Carey: Diane L. Carey-Brodeur (born October 2, 1954) is an American fiction writer, publishing under the pen names Lydia Gregory, Diane Carey, and D. L. Carey.

John McIntire: John Herrick McIntire (June 27, 1907 – January 30, 1991) was an American character actor who appeared in sixty-five theatrical films and many more television series.  McIntire is best known for having replaced Ward Bond, upon Bond's sudden death in November 1960, as the star of NBC's "Wagon Train".  He played Christopher Hale, the leader of the wagon train (and successor to Bond's character, Seth Adams) from early 1961 to the series' end in 1965.  He also replaced Charles Bickford, upon Bickford's death in 1967, as ranch owner Clay Grainger (brother of Bickford's character) on NBC's "The Virginian" for four seasons.

Clark massacre: In August, 1851, a band of Shoshoni Indians led by Cho Cho Co (also called Has No Horse) reportedly attacked a wagon train led by Thomas Clark on the Oregon Trail near where the Raft River joins the Snake River in present-day Idaho.  Afterward, reports held that the Indians' primary objective was to steal horses from Thomas Clark's wagon train party, and that the Indians killed Clark's mother and brother and another man traveling with them during the horse robbery.

Supporting paragraphs: Wagon Train to the Stars Diane Carey
Answer: Diane Carey