Looking towards fall

It's hardly mid-August, but I'm thinking about fall vegetables. Will I have time to plant fall greens after a bit of a hiccup away from my garden? What about transplanting broccoli or brussels sprouts?

What should I recommend to folks next week in a Fall Vegetable Gardening class?

I'm looking forward to fresh lettuce and spinach, maybe some peas, and Asian greens like mizuna, pac choi, and mustards.

And, of course, I'm hoping that I'll still be harvesting some warm-season vegetables, too.