The straightforward and simple themes in Ginger Pye are illustrated through the three main characters: Rachel, her brother Jerry, and their dog, Ginger. Estes effectively captures the profound bond between the children and their pet. Their love for animals extends to their neighbors' pets, providing a stark contrast to how poorly Ginger is treated by the antagonists. This focus on caring for pets is first introduced when Jerry worries if Gracie the Cat would be envious of a new puppy. His sister and mother reassure him, and the dog and cat form a harmonious friendship.

Another important theme is loyalty, which encompasses the children's devotion to their pets, Ginger's loyalty to the Pye family, and the loyalty among family members. Despite Ginger's long disappearance, the children never stop searching for him or thinking about him. They refuse to get another pet to replace Ginger and remain hopeful for his return. Even after being away for so long, Ginger, now fully grown, yearns to reunite with his owners, leading to a satisfying conclusion. The bond between Rachel and Jerry highlights a crucial aspect of the loyalty theme. Estes realistically and humorously depicts their minor squabbles and frustrations, but sister and brother maintain a strong connection, with their mutual support during difficult times being one of the book's key strengths. Readers will identify with and chuckle at the typical sibling dynamics, while also finding comfort in the children's loyalty and care for each other.

Similar to the Moffat books, Estes presents a narrative driven by themes that may assist readers in facing their own challenges. Ginger Pye features engaging characters who experience a challenge familiar to many children: the loss of a cherished pet. Nevertheless, Jerry and Rachel remain resolute, refusing to succumb to despair or be distracted from their quest to find Ginger, and ultimately, their faith and persistence are rewarded. Estes shows that sincerity and determination can change circumstances; her respect for children's ability to set and achieve their own goals is inspiring even to adult readers. Additionally, the motif of changing seasons throughout the story clearly signifies that sadness and unhappiness eventually give way to hope and joy, just as spring follows winter.

The author excels in her depiction of characters and authentic family dynamics. Rachel and Jerry are the most well-developed human characters, while the delightfully entertaining Ginger Pye stands out as one of young adult literature's most unforgettable dogs. Ginger is loyal, playful, and intelligent. Dubbed "the intellectual dog," Ginger once tracks Jerry to school and suddenly appears at the classroom window with a pencil in his mouth.

Ginger Pye features an array of distinctive characters, including the three-year-old Uncle Benny, famous for being such a young uncle. His amusing remarks are matched only by his fondness for his "Bubbah," a cherished old blanket. The children admire the tall and friendly Sam Doody, an older boy whose kindness significantly influences the story. Estes crafts engaging depictions of the Cranbury residents who interact with the children. The accumulation of details brings each character to life, such as their friend Dick Badger, nicknamed the "perpendicular swimmer" for his unique way of swimming up and down instead of across the water like most people. The least compelling character is Wally Bullwinkle, a bigger boy in Jerry's class involved in Ginger's disappearance. Estes portrays Wally's constant grumpiness and unclear motives in a way that feels inconsistent with the book's other character portrayals.

The narrative centers on Jerry and Rachel Pye, with the story unfolding primarily through their experiences. Jerry's viewpoint reflects his direct approach to challenges, his authoritative role as the...