As an AI language model, I cannot predict future events or specifics about the year 2023, since I do not have access to real-time information. However, I can suggest some popular books from recent years that have captured attention and been critically acclaimed. Please note that these books may not specifically define the year 2023 as their publication years could vary:
1. “Educated” by Tara Westover
2. “Becoming” by Michelle Obama
3. “The Silent Patient” by Alex Michaelides
4. “Normal People” by Sally Rooney
5. “Where the Crawdads Sing” by Delia Owens
6. “Circe” by Madeline Miller
7. “The Water Dancer” by Ta-Nehisi Coates
8. “The Testaments” by Margaret Atwood
9. “Eleanor Oliphant Is Completely Fine” by Gail Honeyman
10. “The Tattooist of Auschwitz” by Heather Morris