Mars

October feels like the right time to feature the books of author, publisher, and book collector Marc Hartzman, who first caught my attention back in 2015 with his novel, The Embalmed Head of Oliver Cromwell. Hartzman, aka the Weird Historian, enjoys the odd

This rather odd-looking globe headed to auction in New York on June 12 reveals some fascinating snippets in the history of popular science, not the least of which is the relatively unknown work of Danish amateur astronomer Emmy Ingeborg Brun (1872-1929). According to Christie’