Title rated 4.45 out of 5 stars, based on 12 ratings(12 ratings)
Picture Book, 2014
Current format, Picture Book, 2014, First edition, Available .
Picture Book, 2014
Current format, Picture Book, 2014, First edition, Available . Offered in 0 more formats
Walter notices water in his everyday activities and begins to write down his observations and the results of his experiments in a notebook that he shares with a friend.
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