I love a novella. I didn’t look up page counts but here’s some I remember being shorter and worth reading

• Bartleby the Scrivener by Herman Melville
• Ethan Frome by Edith Wharton
• Notes from Underground by Fyodor Dosktoevsky
• The Death of Ivan Illych by Lev Tolstoy
• The House on Mango Street by Sandra Cisneros
• The Island of Doctor Moreau by H.G. Wells
• The Overcoat by Nikolai Gogol
• The Nose by Nikolai Gogol
• The Pearl by John Steinbeck