Developed by memory expert Dr. Michael M. Gruneberg, Instant Recall Russian offers a proven method to help you build vocabulary and learn basic grammar instantly. All you need to do is listen, picture mental images, and then respond to the tests.For example: The Russian for juice is sok. Imagine drinking juice from a sock; then keep this picture in your mind for about 10 seconds, until the next word is presented. After a set if 8 to10 words, you are tested on what you have learned. Within 10 to 12 hours, you will have a solid foundation of vocabulary and grammar to communicate confidently.