Marbling had many of the trippy qualities that couldn't easily be ... In the 1960s, marbling was largely a lost art. A thrilling new exhibition at the Grolier Club, Pattern & Flow, retraces ...

it's also a deep dive into the psychedelic underground; and finally, it's an art book — gorgeously illustrated, with lots of very trippy blotter art. Steve talks with Erik about the wildness of ...