Quote from the book "Лаборатория Дубльвэ"

In this version of the book, you can easily switch from the electronic to the audio version (or vice versa) and continue reading or listening to the work from where you left off earlier.

In this version of the book, you can easily switch from the electronic to the audio version (or vice versa) and continue reading or listening to the work from where you left off earlier.