Enochian names a body of angelic language, tables and invocations recorded by John Dee and Edward Kelley during a series of sessions in the 1580s.
The surviving material
Dee's records contain an alphabet, a revealed language, complex letter tables, divine and angelic names, and calls or keys. The material arrived in stages and does not read like a finished textbook. Dee documented questions, corrections and procedures as they developed.
“Enochian” itself became the common umbrella term later. Dee connected the work to Adamic and angelic language, but the system familiar to modern practitioners was organized substantially by later occult orders.
Why editions differ
Editors choose different manuscript readings, modernize spelling and arrange tables in different orders. Some teach a later practical system; others transcribe the diaries. Decide which kind of book you need before comparing claims.
A responsible reading order
Start with an overview of Dee and Kelley's sessions, then consult a documented transcription, then study one later reception tradition. This order keeps original records, editorial reconstruction and modern practice visible as separate layers.