1. The A to Z of Buddhism by Charles S. Prebish, 2001.
2. The A to Z of Catholicism by William J. Collinge, 2001.
3. The A to Z of Hinduism by Bruce M. Sullivan, 2001.
4. The A to Z of Islam by Ludwig W. Adamec, 2002.
5. The A to Z of Slavery and Abolition by Martin A. Klein, 2002.
6. Terrorism: Assassins to Zealots by Sean Kendall Anderson and Stephen Sloan, 2003.
7. The A to Z of the Korean War by Paul M. Edwards, 2005.
8. The A to Z of the Cold War by Joseph Smith and Simon Davis, 2005.
9. The A to Z of the Vietnam War by Edwin E. Moise, 2005.
10. The A to Z of Science Fiction Literature by Brian Stableford, 2005.
11. The A to Z of the Holocaust by Jack R. Fischel, 2005.
12. The A to Z of Washington, D.C. by Robert Benedetto, Jane Donovan, and Kathleen DuVall, 2005.
13. The A to Z of Taoism by Julian F. Pas, 2006.
14. The A to Z of the Renaissance by Charles G. Nauert, 2006.
15. The A to Z of Shinto by Stuart D. B. Picken, 2006.
16. The A to Z of Byzantium by John H. Rosser, 2006.
17. The A to Z of the Civil War by Terry L. Jones, 2006.
18. The A to Z of the Friends (Quakers) by Margery Post Abbott, Mary Ellen Chijioke, Pink Dandelion, and John William Oliver Jr., 2006.
19. The A to Z of Feminism by Janet K. Boles and Diane Long Hoeveler, 2006.
20. The A to Z of New Religious Movements by George D. Chryssides, 2006.
21. The A to Z of Multinational Peacekeeping by Terry M. Mays, 2006.
22. The A to Z of Lutheranism by Günther Gassmann with Duane H. Larson and Mark W. Oldenburg, 2007.
23. The A to Z of the French Revolution by Paul R. Hanson, 2007.
24. The A to Z of the Persian Gulf War 1990–1991 by Clayton R. Newell, 2007.
25. The A to Z of Revolutionary America by Terry M. Mays, 2007.
26. The A to Z of the Olympic Movement by Bill Mallon with Ian Buchanan, 2007.
27. The A to Z of the Discovery and Exploration of Australia by Alan Day, 2009.
28. The A to Z of the United Nations by Jacques Fomerand, 2009.
29. The A to Z of the “Dirty Wars” by David Kohut, Olga Vilella, and Beatrice Julian, 2009.
30. The A to Z of the Vikings by Katherine Holman, 2009.
31. The A to Z from the Great War to the Great Depression by Neil A. Wynn, 2009.
32. The A to Z of the Crusades by Corliss K. Slack, 2009.
33. The A to Z of New Age Movements by Michael York, 2009.
34. The A to Z of Unitarian Universalism by Mark W. Harris, 2009.
35. The A to Z of the Kurds by Michael M. Gunter, 2009.
36. The A to Z of Utopianism by James M. Morris and Andrea L. Kross, 2009.
37. The A to Z of the Civil War and Reconstruction by William L. Richter, 2009.
38. The A to Z of Jainism by Kristi L. Wiley, 2009.
39. The A to Z of the Inuit by Pamela R. Stern, 2009.
40. The A to Z of Early North America by Cameron B. Wesson, 2009.
41. The A to Z of the Enlightenment by Harvey Chisick, 2009.
42. The A to Z of Methodism edited by Charles Yrigoyen Jr. and Susan E. Warrick, 2009.
43. The A to Z of the Seventh-Day Adventists by Gary Land, 2009.
44. The A to Z of Sufism by John Renard, 2009.
45. The A to Z of Sikhism by W. H. McLeod, 2009.
46. The A to Z of Fantasy Literature by Brian Stableford, 2009.
47. The A to Z of the Discovery and Exploration of the Pacific Islands by Max Quanchi and John Robson, 2009.
48. The A to Z of Australian and New Zealand Cinema by Albert Moran and Errol Vieth, 2009.
49. The A to Z of African-American Television by Kathleen Fearn-Banks, 2009.
50. The A to Z of American Radio Soap Operas by Jim Cox, 2009.
51. The A to Z of the Old South by William L. Richter, 2009.
52. The A to Z of the Discovery and Exploration of the Northwest Passage by Alan Day, 2009.
53. The A to Z of the Druzes by Samy S. Swayd, 2009.
54. The A to Z of the Welfare State by Bent Greve, 2009.
55. The A to Z of the War of 1812 by Robert Malcomson, 2009.
56. The A to Z of Feminist Philosophy by Catherine Villanueva Gardner, 2009.
57. The A to Z of the Early American Republic by Richard Buel Jr., 2009.
58. The A to Z of the Russo–Japanese War by Rotem Kowner, 2009.
59. The A to Z of Anglicanism by Colin Buchanan, 2009.
60. The A to Z of Scandinavian Literature and Theater by Jan Sjåvik, 2009.
61. The A to Z of the Peoples of the Southeast Asian Massif by Jean Michaud, 2009.
62. The A to Z of Judaism by Norman Solomon, 2009.
63. The A to Z of the Berbers (Imazighen) by Hsain Ilahiane, 2009.
64. The A to Z of British Radio by Seán Street, 2009.
65. The A to Z of The Salvation Army edited by Major John G. Merritt, 2009.
66. The A to Z of the Arab–Israeli Conflict by P R Kumaraswamy, 2009.
67. The A to Z of the Jacksonian Era and Manifest Destiny by Terry Corps, 2009.
68. The A to Z of Socialism by Peter Lamb and James C. Docherty, 2009.
69. The A to Z of Marxism by David Walker and Daniel Gray, 2009.
70. The A to Z of the Bahá’í Faith by Hugh C. Adamson, 2009.
71. The A to Z of Postmodernist Literature and Theater by Fran Mason, 2009.
72. The A to Z of Australian Radio and Television by Albert Moran and Chris Keating, 2009.
73. The A to Z of the Lesbian Liberation Movement: Still the Rage by JoAnne Myers, 2009.