This week Jesse and Kevin talk about fandoms, Harry Potter spoilers, relative ages, Hogwarts Houses, ghost books, goofy names, a spiky killer tree, very long board games, games that aren't games, cool science, flat earths, long periods of time, groundhogs day-ing. (Recorded on August 28, 2017.) Links Jesse finished reading Harry Potter and the Half-Blood Prince and he's going to start The Tale of Beren and Lúthien soon. J. K. Rowling is writing a crime mystery series under the pseudonym Robert Galbraith. Kevin spent his Labor Day weekend playing Twilight Imperium. Kevin made a pinhole projector for the solar eclipse. Jesse recommends Annie Dillard's essay about the 1979 total solar eclipse. Kevin has done an experiment that proves the earth is not flat. Kevin recommends Anathem and The First Fifteen Lives of Harry August.