sentences:  Trickett adjusts parts of the Vallard maps by rotating them 90 degrees, giving what he claims is a remarkably accurate depiction of Australia's eastern, southern, and western coasts.Trickett goes through almost every written location on the Vallard maps, giving an English translation and explaining where he believes the place is located.He also mentions the Mahogany Ship, the ruins at Bittangabee Bay on the south coast of New South Wales, various Aboriginal legends and alleged linguistic similarities, and various artefacts found in Queensland and New Zealand which he claims pre-date known European exploration, as further evidence of a Portuguese discovery of Australia and New Zealand.