Here is a link to recommended Equality and Diversity Picture Books for use ion classrooms. There are also lesson plans available on the highland Literacy Blog.
https://highlandliteracy.com/equality-and-diversity-picture-books/
Highland Council’s Equalities Improvement Group and LGBTI+ sub-group have published a series of lesson plans in December 2017 to support the development of Equality and Diversity across the curriculum. 18 picture books have been selected; for each picture book there have been lessons created for Early – Fourth Levels (Curriculum for Excellence) driven by the Literacy and English and Health and Wellbeing Experiences and Outcomes.