Water aerobic videos and books are a great way to help ease you into the regime of starting to incorporate aerobicizing into your daily routine. What's best is these videos are great even if you are a seasoned pro. Full of information and technical know how, if you need to sharpen up your skills, either of these pieces can help you figure out exactly what you may need to do if you're stuck on a stretch or exercise. What's great about picking up your own video is they can help you exactly step-by-step on what you may need to do help you stay in shape.
Books are just as helpful because you can take these with you on your way to the pool. We recommend not bringing it with you near the pool however, as water does damage books. But when you're waiting for your next practicing session or you're at home and you want to study on aerobics, then reading through any of the books will help you understand what you need. When you're in need of some new information, or you want a chance to get more ideas on what exercises you want to complete in the pool then equipping yourself with these is a great idea.