The story of Joseph can be found in the Book of Genesis. This book contains many important narratives related to the early history and characters of the faith.
I don't have enough knowledge about 'Carrot Seed' to determine if it's an emergent story book. You might want to check reviews, sales figures, or recommendations from literary experts to get a better idea.
Well, Mary and Joseph's story in the book is really remarkable. Mary was highly favored by God. When she was told she'd bear a son, it was quite extraordinary. Joseph, on the other hand, had to deal with the social implications of Mary's pregnancy at first. However, his faith and the angel's guidance led him to support Mary. In Bethlehem, they found themselves in a humble situation for the birth of Jesus, which has been commemorated ever since as the Nativity, a key part of the Christmas story and Christian belief.