I ordered Discovering Christ in All the Scriptures today, but the purchase buttons are still showing up Blue, not grey.
It is already in my pre-pub orders list as ordered today (screen capture grabbed after the above one):
When that happened to me too, a refresh of the page corrected it - either with <f5> or by exiting the Prepub section and returning. But sometimes it happens instantly, so it seems there's a bit of a muddle.
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