Question: What is the name of the bookstore that Karen Louise Erdich owns?

Context paragraphs:
Emily Johnson: Emily Johnson (born 1976, Soldotna, Alaska) is an American dancer, writer, and choreographer of Yup'ik descent.  She is based in Minneapolis, where she is artistic director of her performance company, Emily Johnson/Catalyst.  Johnson also works part-time at Birchbark Books, an independent bookstore owned by author Louise Erdrich.

Karen Bardsley: Karen Louise Bardsley (born 14 October 1984) is an American-born English international football goalkeeper.  She currently plays for Manchester City and is a member of the England women's national football team.

Karen Rolton: Karen Louise Rolton (born in Adelaide on 21 November 1974) is a former Australian cricketer.  A left-handed batsman and occasional left-arm medium-paced bowler, she has scored the most runs for Australia in women's Test cricket.

Scarlette Fever: Karen Louise Barrow (born November 1981), better known by her stage name Scarlette Fever, is an English singer, songwriter, musician and multi-instrumentalist.  Born and raised in Hertfordshire, she studied music before signing to Starfisch Records.

Karen Zoid: Karen Zoid (born Karen Louise Greeff on 10 August 1978) is a South African rock singer, guitarist, and songwriter.  Her work in both English and Afrikaans has garnered critical acclaim, and she has been dubbed South Africa's "Queen of Rock" by several major local publications.  Her followers and, more generally, the South African youth have also been referred to as the "Zoid Generation" by the press.  Zoid's current band members are Henry Steel Jnr (guitar), Schalk van der Merwe (bass guitar) and Tim Rankin (drums).  The singer is also known for hosting the kykNet television series "Republiek van Zoid Afrika" and is one of the judges on "The Voice SA".

Karen Stupples: Karen Louise Stupples (born 24 June 1973) is an English professional golfer who plays primarily on the U.S. based LPGA Tour and is also a member of the Ladies European Tour.

A. H. Wheeler: A. H. Wheeler & Co.  Pvt. Ltd., commonly known as A. H. Wheeler or simply Wheeler, is an entirely Indian owned company.  It owns a bookstore chain that was co-founded by Emile Moreau, a French businessman, T. K. Banerjee, an Indian businessman and others in Allahabad in 1877, operating from railway stations.  A. H. Wheeler borrowed its name from the then-successful London bookstore and its owner, Arthur Henry Wheelers, who was also a friend of Emile Moreau and helped him financially.

Bookstore Basketball: Bookstore Basketball is an annual outdoor basketball tournament that takes place at the University of Notre Dame.  Bookstore Basketball is the largest outdoor five-on-five tournament in the world with over 700 teams participating each year.  Since 1995, Bookstore Basketball has devolved its earning to the Notre Dame Alumni Club of Jamaica to raise money for Jumpball, an organization that aims to teach fundamental life-lessons to children of Jamaica through the game of basketball.  The tournament’s name, coined by alumnus Jimmy Brogan, comes from the basketball courts behind the old South Quad Bookstore, now location of the Coleman Morse Center.

Karen Vecchio: Karen Louise Vecchio MP (née Martyn; born March 6, 1971) is a Canadian politician who was elected as a Conservative party Member of Parliament in the House of Commons of Canada to represent the federal electoral ward Elgin—Middlesex—London during the 2015 Canadian federal election.

Louise Erdrich: Louise Erdrich (born Karen Louise Erdrich, June 7, 1954) is an American author, writer of novels, poetry, and children's books featuring Native American characters and settings.  She is an enrolled member of the Turtle Mountain Band of Chippewa Indians, a band of the Anishinaabe (also known as Ojibwe and Chippewa).

Supporting paragraphs: Emily Johnson Louise Erdrich
Answer: Birchbark Books