Isabella Macdonald Alden (pen name, Pansy; November 3, 1841 - August 5, 1930) was an American author.Her first book, Helen Lester, written for a contest, was at the age of 20. She wrote approximately 75 Sunday school books, and a number of volumes of fiction for older readers, as well as The Prince of Peace, a life of Christ. She wrote on the subjects of love to God and love to her fellow-men. Alden dedicated her work to the advancement of the Christian religion in the home life and in the business life. She served as president of the Missionary Society, superintendent of the primary department of the Sunday School, identified with the Chautauqua assemblies, and prepared the Sunday School lessons for the "Westminster Teacher." Her works were translated into Swedish, French, Japanese, and Armenian. Alden edited the Juvenile periodical Pansy, 1873-96. For many years, she was a contributor to Herald and Presbyter, Cincinnati, and Christian Endeavor World, Boston, besides the Primary Quarterly.She made her home in Palo Alto, California.Her best known works were: Four Girls at Chautauqua, Chautauqua Girls at Home, Tip Lewis and his Lamp, Three People, Links in Rebecca's Life, Julia Reid, Ruth Erskine's Crosses, The King's Daughter, The Browning Boys, From Different Standpoints, Mrs. Harry Harper's Awakening, The Measure, and Spun from Fact.