Evelyn is worried about Tessa. Tessa doesn't want to play the same games they used to play together, but Evelyn is determined to find new ways to connect with her older sibling. And she is also learning to see Tessa as a non-binary person by learning to use new pronouns for them. Evelyn learns very quickly that it isn't hard, but she sees that others still find it difficult. Through the course of this heartfelt story, Evelyn reaffirms her connection to her sibling and shows those around them how to make the effort to support Tessa - with love. Back matter includes information on gender and ways to be a kind and effective ally.