That's What Aunts Do is a playful story based on the relationship between aunts and nieces/nephews. The book illustrates the different activities that they might participate in together. From baking cookies to exploring outside, the message is the same. Every aunt is different, but every aunt loves their little. The author, Delaney Spellman, thought of the title while out and about with her niece, Addison. During one of their adventures, someone expressed how devoted and playful she was with Add