For books I’ve read:
Highest -> I’m Glad My Mom Died by Jennette McCurdy (4.59)

Lowest -> Dream Girl by Laura Lippman (3.30)

For my Want to Read list:
Highest -> What My Bones Know: A Memoir of Healing from Complex Trauma by Stephanie Foo (4.55)

Lowest -> Little Fires Everywhere by Celeste Ng (4.09)