JSA #22-25 and Hawkman Vol 4 #1-25. Geoff Johns did a lot to clear up the mythos and continuity problems regarding the Hawks.
Hawkman and Hawkgirl would make further appearances on JSA and the Hawkman (later Hawkgirl title) but the above (vol 4) is a good start for a beginner.
I heartily endorse this suggestion. It showed a spiritual side of Shayera I hadn't seen before.
Beverly Allen, the Bee--with honey and stinger.
"If humans have souls, then clones will have them, too."--Arthur Caplan