The author mentioned using polish translations of English books, so he already knew, at least roughly, what the book is about. This way, reading and listening in the target language makes a lot of sense.
It’s the same when watching foreign TV. Having subtitles on in the same language that is spoken is really useful, you learn more than only reading or only listening.
It’s the same when watching foreign TV. Having subtitles on in the same language that is spoken is really useful, you learn more than only reading or only listening.