Anitya. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 0-914766-01-5
Coins of Gold. First edition: Paducah, Ky.: Press Pub. Co. Second edition Illuminated Way Press.
Dialogues with the Master. First edition Stockton-Doty Trade Press. Second edition Illuminated Way Press. Third edition ECKANKAR. ISBN 0-914766-78-3
Difficulties of Becoming the Living ECK Master. First edition Illuminated Way Press. Compiled by Burnadine Burlin. ISBN 0-914766-63-5
East of Danger. First edition Illuminated Way Press. Copyright Gail Twitchell Gross. ISBN 0-914766-38-4
Eckankar Dictionary. First edition Illuminated Way Press. ISBN 0-91476-605-8
Eckankar: Compiled Writings, Volume 1. First edition Illuminated Way Press. ISBN 0-914766-26-0
Eckankar: Illuminated Way Letters, 1966-1971. Letters he wrote until his death in 1971. ISBN 0-914766-25-2
Eckankar: The Key to Secret Worlds. Foreword by Brad Steiger. First edition Lancer Books. Second edition ECKANKAR. ISBN 0-88155-045-0
Herbs: The Magic Healers. First edition Illuminated Way Press. Second edition ECKANKAR. Library of Congress Catalog Number: 86-80814
Introduction to ECKANKAR. First edition Illuminated Way Press. no ISBN.
Letters to Gail, Volume I. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 0-914766-73-2
Letters to Gail, Volume II. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 0-914766-33-3
Letters to Gail, Volume III. First edition ECKANKAR. Library of Congress Catalog Number: 90-83659.
Stranger by the River. First edition Illuminated Way Press. Second edition Illuminated Way Press (non-standard). Third edition Eckankar. ISBN 1-57043-136-1
Talons of Time. First edition Illuminated Way Press. No ISBN or LCCN.
Talons of Time. Graphic Novel. Authorized Eckankar edition. Illustrated by Mar Amongo. Ed. Harold Klemp and Joan Klemp. No ISBN or LCCN.
The Drums of ECK. First edition Illuminated Way Press. ISBN 0-914766-04-X
The Eck-Vidya: Ancient Science of Prophecy. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 1-57043-030-6
The Far Country. First edition Stockton Trade Press. Second edition Illuminated Way Press. Third edition ECKANKAR. ISBN 0-914766-91-0
The Flute of God. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 1-57043-032-2
The Key to ECKANKAR. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 1-57043-034-9
The Shariyat-Ki-Sugmad, Book I. First edition Illuminated Way Press. Second edition Eckankar. ISBN 1-57043-048-9
The Shariyat-Ki-Sugmad, Book II. First edition Illuminated Way Press. Second edition Eckankar. ISBN 1-57043-049-7
The Spiritual Notebook. First edition Illuminated Way Press. Second edition ECKANKAR. ISBN 1-57043-037-3
The Three Masks of Gaba. First edition Illuminated Way Press. ISBN 0-914766-98-8
The Tiger's Fang. First edition Lancer Books. Second edition ECKANKAR. ISBN 0-88155-063-9
The Tiger's Fang. Graphic Novel. Authorized Eckankar edition. Illustrated by Mar Amongo. Ed. Harold Klemp and Joan Klemp. ISBN 1-57043-212-0
The Way of Dharma. First edition Illuminated Way Press. ISBN 0-914766-18-X
The Wisdom Notes. First edition ECKANKAR. ISBN 0-914766-63-5