Eidus grew up in the Bronx, and she has since lived in the Virgin Islands, California, Iowa, and upstate New York. She now lives with her husband and daughter in Brooklyn, New York and San Miguel de Allende, Mexico. In addition to her writing, Eidus is a frequent guest speaker and teacher throughout the U.S., Europe, and Central America, at a wide variety of venues, including Writers Conferences, Jewish Studies Programs, women's bookstores, and theaters.