Journey into the mesmerizing world of dragonflies — ancient aerial predators whose distant ancestors soared with 2½ foot wingspans over 300 million years ago! Join Marla Garrison for an image intensive presentation showcasing these aquatic insects, which have been studied by aeronautical engineers for decades. Through macro photography we will take an up-close look at their development, life cycle and behaviors. Don't miss this chance to uncover the beauty, diversity and ecological importance of Illinois' 100-plus species of dragonflies and damselflies. Registration required by Monday, Nov. 3: 708-747-6320.