Reference books supply background material or an introduction to the topic in addition to factual information on the subject. The reference books listed present both the history and beliefs of denominations.
“The work Includes comparable information on over 400 American born religious groups, and over 500 American born non-Christian groups. Religious bodies are arranged by a denominational “family”. Maps, tables and charts are included.” From the Preface.
Although similar to a dictionary, this is a guide to Christianity. Included are the beliefs of Christians and their role in society. Definitions of religious terms and histories of religious bodies and biographical information of leaders are included. Source: Book Introduction