A Short Introduction to the Bahá'í Faith

1996

An Introduction to Shi'i Islam

The History and Doctrines of Twelver Shi'ism

1985

Baha'u'llah

A Short Biography

2007

Buddhism and the Baha'i Faith

1994

Hinduism and the Baha'i Faith

1990

Islam and the Bahá'í Faith

2000

Shi'i Islam

A Beginner's Guide

2015

The Baha'i Faith

A Beginner's Guide

2007

The Bahai Faith

A Short Introduction

1999

The Phenomenon of Religion

A Thematic Approach

1998

Understanding Religion

A Thematic Approach

2008