Question: How did Shannon Harper collaborate with Madeline Harper to create the Pseudonym of Anna James?

Context paragraphs:
Donna Ball: Donna Ball (born 1951 in North Georgia, US) is an American writer of over 90 novels, mainly romance novels since 1982, she also signed her novels as Rebecca Flanders, Donna Carlisle and Donna Boyd.  She also signed novels with Shannon Harper as Leigh Bristol and Taylor Brady.

James Pharmacy: The James Pharmacy is a historic building at 2 Pennywise Lane in Old Saybrook, Connecticut.  It is a two story wood frame structure, built in an evolutionary fashion beginning c. 1820.  The building combines a residential space and a retail one, and has a predominantly Colonial Revival character now.  This character is largely due to alterations made by Anna James, the owner of the pharmacy 1918-44.  Anna James (1886-1977) was the first African-American woman pharmacist in the state, and was a well-known local fixture of the community.  It is also the birthplace and childhood home of author Ann Petry, who was James' niece.

Harper Simon: Harper James Simon (born September 7, 1972) is an American singer-songwriter, guitarist and producer.  His music has appeared on several albums and in film and television shows.  He is the son of musician Paul Simon and his first wife, Peggy Harper.  In 2010 he released his critically lauded self-titled solo album, which "Rolling Stone" called "a gorgeous collection of vintage-sounding country-folk tunes."  In its review of the album, "American Songwriter" called Harper "a real star in the making."

Thanks for Leaving: "Thanks for Leaving" is a song recorded by Romanian recording artist Alexandra Stan for her second studio album, "Unlocked" (2014).  It was made available for digital consumption on 28 April 2014 through Fonogram Records and Roton as the record's first single.  Written by Alexandru Cotoi, Sebastian Jacome, Lee Anna James and Naz Tokio, the track was solely produced by Cotoi and Jacome.  Musically, "Thanks for Leaving" is an electropop song and a pop ballad whose lyrical themes discuss on new beginnings, choices that can be made in difficult situations in order to move forward, and discovering the joy of being yourself.  Particularly, Stan revealed that the lyrics of the recording were personal to her as referring to her past-manager Marcel Prodan, with whom she had an alleged physical altercation in 2013, which caused her career hiatus that year.

Andrew Harper's Hideaway Report: Andrew Harper's Hideaway Report is a monthly newsletter that reviews luxury hotels and resorts, typically smaller, more individual ventures.  The first issue appeared in 1979.  "Andrew Harper," a pseudonym, was concerned about the influence of commercial considerations on travel reviews, so he travels anonymously and pays his own expenses.  Each year, the company conducts a survey of subscribers' favorite small hotels.  Andrew Harper, LLC employs 80 full-time staff with offices in Austin, Chicago, and New York.  It also operates a luxury travel agency.

Mark Harper: Mark James Harper (born 26 February 1970) is a British Conservative Party politician.  Harper was born in Swindon and studied Philosophy, Politics and Economics at Brasenose College, Oxford.  He was a chartered accountant before becoming the Member of Parliament for the Forest of Dean constituency in 2005.  Harper has previously served as a junior minister in the Cabinet Office, Immigration Minister and Minister for Disabled People.  He was the Government Chief Whip in the House of Commons from May 2015 to July 2016.

James C. Harper: James Clarence Harper (December 6, 1819 – January 8, 1890) was a United States Representative in Congress from the state of North Carolina for one term (1871–1873).  Harper was born in Pennsylvania but moved in 1840 to what would soon become Caldwell County, North Carolina.  A Democrat, he was elected to the North Carolina House of Representatives in the special election of 1865, after receiving, in August of that year, a pardon from President Andrew Johnson for his part in "the late rebellion."  He was re-elected in 1866.  Harper was seemingly elected again in 1868, but the election was later declared illegal.

Madeline Harper: Madeline Harper may be the best known joint pseudonym of the American writing team Madeline Porter and Shannon Harper.  They have been writing since 1977, when their first book, a Gothic romance, was published as by Elizabeth Habersham.  They have also written novels published as by Anna James.

Shannon Harper: Shannon Harper was a popular United States co-writer of romance novels.  During years she collaborated with Madeline Porter by mail, fax machines and their computers to create the pseudonyms: Elizabeth Habersham, Anna James and Madeline Harper.  In addition to her partnership with Porter she also co-authored books with Donna Ball as Leigh Bristol and Taylor Brady.  She lives in Winter Haven, Florida.

James Harper (actor): James W. Harper (born October 8, 1948) is an American actor.  Throughout his career, he has acted in many movies and guest-starred in a myriad television shows, such as "Frasier", "Matlock", "NYPD Blue", "", and "JAG".  He also played the role of Admiral Kelso in the 1998 film "Armageddon".  In addition to acting, Harper has contributed his voice to several video games, most notably "StarCraft" as Arcturus Mengsk, "", and "Diablo".  Harper reprised his role of Arcturus Mengsk in "" and "".

Supporting paragraphs: Shannon Harper Madeline Harper
Answer: mail, fax machines and their computers