Bests & Worsts Reviews from Amazon

I am Australian. I know something about Australia. My judgement of the rest of the book is based on what the author says about something I know. The Author says the 15th Century Chinese could have called in south-western Australia (near modern Bunbury) for the fruit growing amply there. There was NO fruit there until planted after white settlement in 1829. The book refers to the "Koala bears" abundant in south Western Australia. There are NO koalas in Western Australia. Also to the populations of "Quokkas" (A type of wallaby) and fairy penguins allegedly abundant in south Western Australia. Quokkas are found on one or two small islands and in tiny pockets on the mainland. They are not abundant. The book says modern Perth and Fremantle are seperated by the estuary of the Swan River. Fremantle is the port at the river's mouth and Perth the commercial capital about 10 miles up-river. They are no more seperated by the river than Richmond is seperated from Greenwich by the Thames. Turning to the Eastern States, the book says there is a variety of valuable minerals at Newcastle, north of Sydney. The only such mineral at Newcastle is coal. He also says there are diamond mines near Sydney. There are not. Etc. Etc. If I find the parts of this book dealing with a subject I know something about to be absolute rubbish, it does not increase my condfience in the rest of - any of the rest of it. Where was the publisher's fact-checker or copy-editor?