The salvation of the “time-displaced” is in the hands of the “time-displaced” themselves! If you almost drowned in our days—and then surfaced from the mud into the Moscow Principality of the 15th century—you will have to go against the flow of Time, across three seas, thirty-nine lands, and thirty-nine centuries. First to Persia for spices that were worth their weight in gold back then, and then to Italy for precious Venetian glass. The “time-displaced” one who becomes a “trading guest” will have to fight the Tatars on the Oka, and Berber pirates in the Mediterranean, survive storms, gales, and shipwrecks, overcome rapids and whirlpools of time, so that in distant Florence he can meet a young apprentice, Leo—helping him with a few inventions and receiving, in gratitude, his own portrait made by his new friend, signed: Leonardo da Vinci…