It's a little odd and perhaps unfair to "rate" an unfinished work published posthumously in draft form--in translation, no less. Two stars for the book as it is (and forever will be), a third star as a way of giving Obstfelder the benefit of the doubt that, had he but world enough and time...
The entries often read like phenomenological accounts of manic episodes interlarded with quaint or dated theological musings. Despite its extreme brevity, I found it repetitive and surprisingly difficult to read more than a few pages at a time. Compelling at points that were, unfortunately, few and far between.