Initiation Human and Solar: Now Available!by Styxhexenhammer666
This is one of the foremost works of all Theosophy- from the well known Alice Bailey, an initiatory work which describes the various levels of spiritual refinement which are required on the path to Theosophical mastery. It should be noted that some of the obtuse terminology is explained at the end of the text in a decently sized glossary.
I highly recommend this work for those who...
The Consciousness of the Atom: Now Available!by Styxhexenhammer666
This intermediate-length work is the product of Alice A. Bailey, one of the more well known Theosophists of her era. Over her career she penned many works described as "received" (via channeling) but this very early work is of her own admitted manufacture.
Some of the content is quite as pseudoscientific now as it was before (man as a central radiation source comes to mind) but...