What to read after Psmith, Journalist?

Psmith, Journalist P. G. Wodehouse - Continuing the adventures of the silver-tongued Psmith, one of Wodehouses best loved characters, and his friend Mike Jackson. The story begins with Psmith accompanying his fellow Cambridge student Mike to New York on a cricketing tour. Through high spirits and force of personality, Psmith takes charge of a minor periodical, and becomes imbroiled in a scandal involving slum landlords, boxers and gangsters - the story displays a strong social conscience, rare in Wodehouses generally light-hearted works.