Geologist and geoscience writer Andrew Alden will be discussing his recent debut book, Deep Oakland: How Geology Shaped a City, at the Montclair Branch Library, 1687 Mountain Blvd., on Tuesday, February 6th at 6:30 PM. Andrew will be signing books after the talk. This is a free event sponsored by The Friends of Montclair Library. For more information, contact the library at (510) 482-7810.