* Finding yourself and your place in the world: The story follows the journey of a young girl named Rose, who is struggling to find her identity and sense of belonging. She feels like an outsider both in her hometown and in her new school. Through her travels and experiences, she learns to embrace her own uniqueness and discover her own path.
* The power of friendship and community: Rose finds comfort and support in the people she meets on her journey, from the eccentric Mrs. Peale to the kindhearted boatman who helps her navigate the canals. These relationships highlight the importance of human connection and the strength that can be found in community.
* Overcoming grief and loss: Rose is grappling with the recent death of her grandmother, and her journey is a process of healing and finding peace. She learns to confront her grief and find ways to honor her grandmother's memory.
* The beauty of nature: Creech uses evocative language to describe the natural world, highlighting its restorative power and the solace it can offer. Nature provides a sense of peace and wonder for Rose, allowing her to connect with the world around her.
* The importance of following your dreams: Rose's journey is fueled by a desire to find her grandfather's lost treasure, but it is also about embracing her own passions and pursuing her dreams. She learns to trust her intuition and take risks to pursue what she believes in.
In essence, "The Wanderer" is a story about self-discovery, resilience, and the enduring power of human connection. It encourages readers to embrace their own unique journeys, to find beauty in the world around them, and to never give up on their dreams.