Liz Lee Heinecke, Earth ambassador for NASA and author of Outdoor Science Lab for Kids (Quarry Books, 978-1-63159-115-0), will appear on NPR's Science Friday on Friday, June 3 at 2:00 p.m. EST.

Troy Lewis, author of Gas Money (CreateSpace, 978-1-51413-594-5), will appear on Richmond, Va. radio stations K95.3 Country, 96.5 Classic Rock, Star 100.9, 103.7 Play, and Hot 106.1 on Sunday, June 5 at 6:30 a.m. EST.

Due to the nature of live programming, scheduling is subject to change.

To be included in the Authors on the Air compilation, email information—at least TWO days in advance, please—to jmaher@publishersweekly.com.