You go inside the cabin and selects one of the five books which where left there by previous readers. each book will have its own barcode and by scanning the book you hear the recommendations that the previous readers recorderd. By listening to the their tone you can hear thier age (roughly) and wheater their male or female, and then decide by youerself if you want to read the book in question or look for something else. Insdie the room you are in your own personal, isolated reading atmosphere and space. you have your private speakers which are pointed inside the readin gcabin so onky you hear it. in case you liked the book you can record youre own recomadation and leave it to the next reader.