Need help prepping for Rosh Hashanah? Aish has some fabulous resources. Their comprehensive guide details everything you ever wanted to know about the holiday—tips for the festive meal (including symbolic foods), prayers, customs, Shofar, Tashlich, etc.
I also love this handy infographic.
Great refresher course for us old timers and very helpful for those who are unfamiliar with the Jewish New Year celebration.