Books written by people for people that look like them
Emotions - those big feelings we all go through. These books help identify emotions and show little learners positive ways of handling those emotions (think deep breaths, acknowledging their feelings, and showing different ways to talk about them)
Books to help with conversations from body parts, to different households, to racism, these books were written by educators to help facilitate conversations at home. (Think what are your family beliefs, how does your family show love to one another, ...