I think 'The Testaments' is really good. It's a sequel to 'The Handmaid's Tale' and further expands on the dystopian world. It gives more depth to the characters and the society that was created in the first book.
'Surfacing' is a great work. It's about a woman who returns to her childhood home in the wilderness. Atwood uses this setting to explore themes of identity, nature, and the relationship between humans and the environment. It has a very introspective and somewhat mysterious tone.