Meg Wolitzer presents stories celebrating a quarter century of clever, funny, playful, weird, and literary writing, in print and online, showcased by the powerhouse indie publisher McSweeney’s. These include a comic fantasy, “Poor Little Egg-Boy Hatched in a Shul, by Nathan Englander, performed by Ophira Eisenberg; an unusual mother/son story, “Crumb Cake,” by Etgar Keret, performed by Andy Richter; and unlikely heroism at the amusement park in “Stay Brave, My Hercules,” by Ernie Wang, performed by BD Wong.