Finally I found a reader just at the right level and with useful vocabulary a good progression. I purchased the german/polish paperback, but the english/polish book is the same. It's a good quality paperback, well laid out as you can see in the sample. Finally I found a reader just at the right level and with useful vocabulary a good progression. I plan to buy more books in this series. Ascending degree of learning by tier levels. The audio tracks are very important also, because you can read all day but if your don't say it correctly, the learning exercise is incomplete. The link at the story beginning for the audio track does not appear to respond, but just by clicking it is functional. Recommended.