Interlinear books are bilingual translations where the original has a translation right below each word or expression. Try them out on Interlinear Books.
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Nobody seems to know about this book and unlike most of Hesse's books it (as far as I know) can't be found online, so I found it through a seller of rare books on Ebay. It's pocket book-sized, hardcover, and has a few watercolour paintings inside too.