In this book, the kids get to open up their imagination to going into a submarine. Submarines are amazing, and the things that you can see are unbelievable. Even though in this book, we only touched the simple words, later on in the other levels, it will get more difficult, but as long as you get the foundation down here, the next levels will not be very difficult, so Dive in and become a explorer, if they want to know other words that are not in this book, please help them find them. It is part of your job to help extend their education so that way they can be native speakers or

At least able to speak.