The Kalem Club was one of the great literary partnerships in American literature. Taking shape even before H. P. Lovecraft arrived in Brooklyn in 1924, the group featured some of the most distinctive figures of their day: George Kirk, genial bookseller and collector; Rheinhart Kleiner, a worldly versifier and man about town; Samuel Loveman, exquisitely refined poet and friend of Hart Crane; James F. Morton, devotee of freethought, the single tax,...