Read Write Think: http://www.readwritethink.org/classroom-resources/lesson-plans/using-picture-books-teach-b-803.html?tab=4
Character vs Character
Character vs Nature
Character vs. Society
Character vs. Self
Read Write Think: http://www.readwritethink.org/files/resources/lesson_images/lesson107/107BookList.pdf
Read Write Think: http://www.readwritethink.org/classroom-resources/lesson-plans/using-picture-books-teach-101.html
Great Picture Books to Teach Theme: https://perniiesripp.com/2015/10/03/great-picture-books-to-teach-theme