NB: for recipes consult the Gastropod Wednesday entry.
NB2: Thai sent me an email with the following:
This cookbook that has all the recipes that I made on Wed:
How to Grill: The Complete Illustrated Book of Barbecue Techniques (Paperback)
by Steven Raichlen
http://www.amazon.com/How-Grill-Illustrated-Barbecue-Techniques/dp/0761120149
Via Amazon's search-inside-the-book feature, I believe you can just
search for "asparagus rafts", "corn on the cob", and "portobello
mushrooms" to see the recipes in the book without needing to buy it:
http://www.amazon.com/gp/reader/0761120149/ref=sib_dp_pt/#reader-link