Detected correct ISBN-13

The ISBN 9788070219270 that you input was checked and found numerically correct. This only means that is 13 digits long and has got the correct check digit so there cannot be an error in a single digit (some transpositions are caucght by the check digit calculation, some are not. It does not signify that the ISBN was assigned ever to a book A way to check this is searching the following book sites: (Germany), (UK) und (USA). To the home page
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