Weiß-Kursiv with some of its swash caps, but without the fancy ch ligature. The descending R and the top left terminal of y don’t match the showing on the index card by the Bauer foundry. This might be a hint that this is lettering based on the typeface. The weirdly narrow e and the short question mark stay true to the original, though.
Budd Schulberg’s novel What Makes Sammy Run? was first published by Random House in 1941. This is the cover of the Bantam Books edition from 1946.