Jackson finished her portion of her confirmation hearings on Wednesday. During Thursday's session, lawmakers interviewed 13 expert witnesses on Jackson's record and personal character.

WATCH: One-on-one with Justice Ketanji Brown Jackson: ABC News Live PRIME tonight. 7p/9p ET streaming on Hulu, Disney+, and ABC News apps.

Supreme Court Justice Ketanji Brown Jackson kicked off this year's annual Martha's Vineyard Black Book festival with a discussion about her new memoir.