In some other King novels, the Losers Club might be mentioned in passing or have elements of their story subtly intertwined. For example, in certain works, the themes of friendship and facing the unknown that the Losers Club represents could be echoed in different characters' relationships. However, they are not always the central focus in these other novels.
In other King novels, the Losers Club can represent a symbol of hope. Their ability to overcome great fear and evil in 'It' sets an example that might be alluded to in other stories. It shows that a group of ordinary people can fight against extraordinary threats.
Yes, in the 'It' novel, Richie was gay. Stephen King included this aspect of his character which added depth to Richie's personality and his experiences in the story.
Richie wasn't gay in the novel 'It'. The author didn't present his character in that way. The plot centered around other elements rather than Richie's sexuality.