Audiobook available!

At long last, the audiobook version of Scratching the Surface has been approved and is now available. Read by Emily Lakdawalla, Senior Editor and Solar System Specialist for The Planetary Society, the audiobook includes a downloadable pdf containing illustrations and background material.

https://www.amazon.com/Scratching-Surface-Generation-Mars-Prelude/dp/B08CDVG5NR

https://www.audible.com/pd/Scratching-the-Surface-Audiobook/B08CDW2BLN

Also available from iTunes!