Question: What memoir by the author of Back to the Moon was the basis for October Sky?

Context paragraphs:
The Coalwood Way: The Coalwood Way (2000) is the second memoir in a series of three, by Homer Hickam, Jr. "The Coalwood Way" is a story of the Rocket Boys and Coalwood.  Homer calls it an "equal," rather than a sequel because the story happens during the same timeframe as the first book.  Today, it is one of the most often picked community/library reads in the United States.  It is also studied in many school systems around the world.  The Coalwood Way (2000) is followed by "Sky of Stone" (2002), and preceded by "October Sky" (1998).

Hell Isn't My Home: Hell Isn't My Home is the debut full-length studio album by October Sky, released on September 2, 2008.  It was originally released independently on October 10, 2007, but was released officially as a double album under TRX Distribution, a Quebec-based record distributor.  The second disc is a bonus disc which features the first three songs of the band's first EP October Sky EP.  In 2009, the company was bought out by DEP under Universal Music Canada, and October Sky and Universal failed to reach an agreement to continue distributing the album.

Sky of Stone: Sky of Stone is the third in a trilogy of memoirs by Homer Hickam, Jr. about his hometown of Coalwood, West Virginia, that began with "October Sky".

October Sky EP: October Sky EP is October Sky first studio recording, which was self-released on September 23, 2006.

Homer Hickam: Homer Hadley Hickam Jr. (born February 19, 1943) is an American author, Vietnam veteran, and a former NASA engineer.  His memoir "Rocket Boys" was a "New York Times" Best Seller and was the basis for the 1999 film "October Sky".  Hickam has also written a number of best-selling memoirs and novels including the "Josh Thurlow" historical fiction novels.  His books have been translated into many languages.

Coalwood, West Virginia: Coalwood is an unincorporated community coal town in McDowell County, West Virginia, United States.  The coal mine in Coalwood reached its peak in the 1960s and finally shut down production on October 1, 1982.  As of the 1990 Census - the last time the town was counted separately - , the population was 900.  The town is the setting of the best-selling memoir "October Sky" by Homer Hickam and the movie based on the book.

October Sky (disambiguation): October Sky is a 1999 American biographical film directed by Joe Johnston based on the memoir by Homer Hickam, Jr.

Back to the Moon: Back to the Moon was Homer Hickam's first book-length fiction, published in June 1999.  It is an adult, scientific thriller with insider information about NASA.

Chris Cooper: Christopher Walton "Chris" Cooper (born July 9, 1951) is an American film actor.  He became well known in the late 1980s.  He has appeared in supporting performances in several major Hollywood films, including the drama "American Beauty" (1999), the biopic about a NASA engineer titled "October Sky" (1999), the action spy film "The Bourne Identity" (2002), the biographical sports psychological drama thriller film "Seabiscuit" (2003), the biographical film about Truman Capote", Capote" (2005), the geopolitical thriller "Syriana" (2005), the action-thriller "The Kingdom" (2007), the crime drama "The Town" (2010), and the musical comedy film "The Muppets" (2011).  He also portrayed Sheriff July Johnson in the acclaimed miniseries "Lonesome Dove", which became one of the most successful Westerns in history.

October Sky (novel): October Sky (originally published as Rocket Boys) is the first memoir in a series of three, by Homer Hickam, Jr. It is a story of growing up in a mining town, and a boy's pursuit of amateur rocketry in a coal mining town.  It won the W.D. Weatherford Award in 1998, the year of its release.  Today, it is one of the most often picked community/library reads in the United States.  It is also studied in many school systems around the world.  "October Sky" was followed by "The Coalwood Way" (2000) and "Sky of Stone" (2002).

Supporting paragraphs: Back to the Moon Homer Hickam
Answer: Rocket Boys