Conversation so far:
when did proust write in search of lost time
The novel In Search of Lost Time began to take shape in 1909. Proust continued to work on it until his final illness in the autumn of 1922 forced him to break off.
When was In Search of Lost Times published
In Search of Lost Time was published in France as À la recherche du temps perdu from 1913 to 1927.

Question: How many volumes
Self-contained rewrite: How many volumes was the novel In Search of Lost Times