All these letters were written by M. Antonio to Messer Carlo his brother: and it grieueth me, that the booke and diuers other writings concerning these purposes, are miserably lost: for being but a child when they came to my hands, and not knowing what they were, (as the maner of children is) I tore them, and rent them in pieces, which now I cannot cal to remembrance but to my exceeding great griefe. Notwithstanding, that the memory of so many good things should not bee lost: whatsoeuer I could get of this matter, I haue disposed and put in order in the former discourse, to the ende that this age might be partly satisfied, to the which we are more beholding for the great discoueries made in those partes, then to any other of the time past, being most studious of the newe relations and discoueries of strange countries, made by the great mindes, and industrie of our ancestours. For the more credite and confirmation of the former Historie of Messer Nicolas and Messer Antonio Zeni (which for some fewe respects may perhaps bee called in question) I haue heere annexed the iudgement of that famous Cosmographer Abraham Ortelius, or rather the yealding and submitting of his iudgement thereunto: who in his Theatrum Orbis, fol. 6. next before the map of Mar del Zur, boroweth proofe and authoritie out of this relation, to shew that the Northeast parte of America called Estotiland, and in the original alwayes affirmed to bee an Islande, was about the yeere 1390 discouered by the aforesayd Venetian Gentleman Messer Antonio Zeno, aboue 100 yeeres before euer Christopher Columbus set saile for those Westerne Regions; and that the Northren Seas were euen then sayled by our Europæan Pilots through the helpe of the loadstone: with diuers other particulars concerning the customes, religion and wealth of the Southern Americans, which are most euidently confirmed by all the late and moderne Spanish Histories of Nueua Espanna and Peru.