Question: The author of "Morgoth's Ring" drew the original maps for which of his father's books?

Context paragraphs:
Bolivar, Alabama: Bolivar, also known as Widows, is an unincorporated community in northern Jackson County, Alabama, United States.  It is located on Alabama State Route 277, halfway between Bridgeport and Stevenson.  It was originally called New Bolivar after many of the citizens of the old community of Bolivar, which was located near the current community of Edgefield near Stevenson, relocated to the railroad well after it was completed through the area in 1854.  The old community faded away and New Bolivar never really grew.  On original maps from the 1880s, New Bolivar was located where the former North Jackson Hospital stands on Alabama Highway 277.

Nancy Drew: Nancy Drew is a fictional American character in a mystery fiction series created by publisher Edward Stratemeyer as the female counterpart to his Hardy Boys series.  The character first appeared in 1930.  The books are ghostwritten by a number of authors and published under the collective pseudonym Carolyn Keene.  Over the decades, the character evolved in response to changes in US culture and tastes.  The books were extensively revised and shortened, beginning in 1959, in part to lower printing costs with arguable success.  In the revision process, the heroine's original character was changed to be less assertive and more feminine.  In the 1980s, an older and more professional Nancy emerged in a new series, "The Nancy Drew Files", that included romantic subplots for the sleuth.  The original "Nancy Drew Mystery Stories" series started in 1930, and ended in 2004.  Launched that same year, the "Girl Detective" series features Nancy driving a hybrid electric vehicle and using a cell phone.  In 2013, the "Girl Detective" series ended, and a new current series called "Nancy Drew Diaries" was launched.  Illustrations of the character evolved over time to reflect contemporary styles.  The character proves continuously popular worldwide: at least 80 million copies of the books have been sold, and the books have been translated into over 45 languages.  Nancy Drew is featured in five films, two television shows, and a number of popular computer games; she also appears in a variety of merchandise sold around the world.

Maia Berzina: Maia Yanovna Berzina (Russian: Майя Яновна Берзина , October 25, 1910 in Paris – August 30, 2002) was a prominent Soviet ethnographer, geographer and cartographer (member of Soviet Geographic Society from 1954).  Among her scores are "Americans" entry in the "Great Soviet Encyclopedia" (3rd ed., 1970) and several maps in the "Great Soviet World Atlas" (vol.  1 and 2).  Overall she was the author of about fifty original ethnic maps.

Abraham Bradley, Jr.: Abraham Bradley, Jr. (February 22, 1767 – May 7, 1838) was an American lawyer, judge, and cartographer who was assistant postmaster general for 30 years during the earliest history of the United States Post Office Department.  Bradley was responsible for moving the federal government's post office from Philadelphia, Pennsylvania, to the new capital at Washington, D.C., hosting the national post office in his own home for a period.  The continuity brought by Bradley's long employment during the tenure of five different United States postmasters general helped establish the budding postal service as a reliable provider; Bradley drew detailed and innovative postal route maps which contributed significantly to the office's efficiency.  Bradley's original work of 1796 was one of the first comprehensive maps of the United States as it existed, which "represented the first clear cartographic break in European-dominated map making and introduced a new, more distinctly American style of cartography to the United States."

Christopher Tolkien: Christopher John Reuel Tolkien (born 21 November 1924) is the third son of the author J. R. R. Tolkien (1892–1973), and the editor of much of his father's posthumously published work.  He drew the original maps for his father's "The Lord of the Rings", which he signed C. J. R. T.

CARTE Museum: The Cartographic Acquisition Research Teaching and Exhibition Museum (CARTE - the French word for map) was a small privately owned cartographic museum located in Baton Rouge, Louisiana, dedicated to the preservation of original maps and atlases.  The collection documented early North American continent exploration, centered on the present-day Louisiana Gulf Coast from the 1500s up to the appearance of aerial cartography in the early 20th century.

Duke Humfrey's Library: Duke Humfrey's Library is the oldest reading room in the Bodleian Library at the University of Oxford.  Until 2015, it functioned primarily as a reading room for maps, music, and pre-1641 rare books; following the opening of the new Weston Library, it is now an additional reading room for all users of the Bodleian, as the Weston Library operates reading room for special collections.  It consists of the original medieval section (1487), the Arts End (1612), and the Selden End (1637).  It houses collections of maps, music, Western manuscripts, and theology and arts materials.  It is the main reading room for researchers of codicology, bibliography, and local history.  It is also the location of the University Archives and the Conservative Party Archive.

Ronald Vere Tooley: Ronald Vere Tooley (29 September 1898 - 12 October 1986) was an English map dealer, an authority on early maps and cartographers, a noted compiler of catalogues on maps, cartography and antiquarian books, author of "Maps and Map-makers", and founder of the Map Collectors' Circle which published a series of monographs on historical cartography in the period 1963-1975.  He is considered the founder of the antiquarian map trade.

Philip Burden: Philip D. Burden is a geographer, map dealer and historian.  He is best known as the author of "The Mapping of North America: A List of Printed Maps 1511-1670" and "The Mapping of North America II: A List of Printed Maps 1671-1700."  These books are widely considered the authoritative works on the topic of historic North American cartography.

Morgoth's Ring: Morgoth's Ring (1993) is the tenth volume of Christopher Tolkien's 12-volume series "The History of Middle-earth" in which he analyses the unpublished manuscripts of his father J. R. R. Tolkien.

Supporting paragraphs: Morgoth's Ring Christopher Tolkien
Answer: "The Lord of the Rings"