Final answer:
In the novel "Hotel on the Corner of Bitter and Sweet," it is Sheldon who assists Henry in receiving letters from Keiko, showcasing their enduring friendship against the backdrop of WWII hardships.
Step-by-step explanation:
In the context of the novel "Hotel on the Corner of Bitter and Sweet" by Jamie Ford, it is Sheldon who helps Henry receive letters from Keiko. Sheldon, a jazz musician and friend of Henry, acts as a liaison between the two characters allowing them to communicate despite the difficult circumstances of the time, which include the internment of Japanese Americans during World War II.
This part of the story highlights themes of friendship, loyalty, and the struggles faced by characters separated by societal barriers.