Good digging Helge. A parallel Hebrew and Greek writing effort is well worth considering. I'll wait for the paperback though!
Surely the Zadokites had a collection of cult-specific writings prior to the Ptolemaic takeover, or at least a basic religious-historical framework they were pushing on the local populace to promote the new cult of Judaism orally.
The so-called "Egyptian temple" in Jerusalem is what David Rohl proposes was a house built for the "daughter of pharaoh" by "Solomon".
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