Nice chapbook sized ebook sold direct on Miller's site. It needed a copy editor, but there's only one spot where the errors could interfere much: "Mercury" is in one place substituted accidentally for "Mars" but if you follow the repeating sequence in the Calls chapter you'll not be confused.

I'm not sure there's much specifically about "healing" as the description says, but what's here is good.

It has a section on "seed syllable" style use of Greek vowels mapped to the planets, a Heptasphere ritual to connect the practitioner to the seven planets, and 49 short spells mapped to the interplay of planetary hours and days.