Complex sentence: Eventually Wilson submitted the work to New Falcon Publications, which accepted it within 48 hours with Wilson receiving his advance 48 hours after that, according to Wilson's preface to the tenth printing of "Prometheus Rising".
Split into simpler sentences: Eventually Wilson submitted the work to New Falcon Publications, which accepted it within 48 hours. Wilson received his advance 48 hours after that, according to his preface in tenth printing of "Prometheus Rising".