From drskyskull@mastodon.social on Mastodon: Hey folks I'm going to be doing a virtual book event about my book Invisibility at Malaprops on August 23rd at 6 pm! Please consider attending and spreading the word (and buying my book)! https://www. malaprops.com/event/live-strea m-invisibility-history-and-science-how-not-be-seen-gregory-j-gbur