Astrologer Amy Herring presents a lecture on childrens' astrology from 7:30 to 10 p.m., Friday, April 8. Focus will be on reading a child's chart, addressing development issues and how to communicate those to parents. $10 members; $15 nonmembers. Herring presents "The Lumar Nodes and Chart Themes: The Chart Behind the Chart" from 1 to 5 p.m., Saturday, April 9. $20 members; $25 nonmembers. Call 625-5762, or visit tucsonastrologersguild.org for more info.