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J.H. Brennan Books in Order

J.H. Brennan is a prolific author and lecturer, with a remarkable body of work spanning over one hundred fiction and non-fiction books for diverse audiences. His writing has been translated into approximately fifty languages, showcasing his ability to connect with readers worldwide. A trained esoteric teacher and Qabalah expert, Brennan's interests in the Occult and New Age are evident in his writing. He has collaborated with notable figures like Dolores Ashcroft-Nowicki and the Servants of the Light. Brennan has also explored pseudonyms, contributing to the Horrorscopes series under Maria Palmer and publishing The Book of Wizardry: The Apprentice's Guide to the Secrets of the Wizards' Guild as Cornelius Rumstuckle in 2003. Through his writing, Brennan continues to inspire and educate readers around the globe.

Bibliography verified: March 2026

Quick Answer

What are all of J.H. Brennan's book series? J.H. Brennan has written 12 book series. The most notable is the Barmy Jeffers series.

Complete series list with all books in reading order below.

Book Series by J.H. Brennan

About J.H. Brennan

J.H. Brennan is a prolific author and lecturer, with a remarkable body of work spanning over one hundred fiction and non-fiction books for diverse audiences. His writing has been translated into approximately fifty languages, showcasing his ability to connect with readers worldwide. A trained esoteric teacher and Qabalah expert, Brennan's interests in the Occult and New Age are evident in his writing. He has collaborated with notable figures like Dolores Ashcroft-Nowicki and the Servants of the Light. Brennan has also explored pseudonyms, contributing to the Horrorscopes series under Maria Palmer and publishing The Book of Wizardry: The Apprentice's Guide to the Secrets of the Wizards' Guild as Cornelius Rumstuckle in 2003. Through his writing, Brennan continues to inspire and educate readers around the globe.

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