The free love Oneida Community, founded in New York state during the turbulent decades before the Civil War, practiced an extraordinary system of complex marriage as part of its sustained experiment in creating the kingdom of heaven on earth. For more than thirty years, two hundred adult members considered themselves heterosexually married to the entire community rather than to a single monogamous partner. Free Love in Utopia provides the first in-depth account of how complex marriage was introduced among previously monogamous or single Oneida Community members. Bringing together vivid,...