* Short: It's mentioned that she's "short, maybe even tiny." This suggests she's below average height.
* Curly hair: Hildy has "bushy, black, almost curly hair," implying it's voluminous and not straight.
* Dark eyes: The book mentions her having "dark, intelligent eyes" that often "gleamed." This suggests she has dark brown or black eyes.
* Average build: While no specific mention is made, it's implied that Hildy has an average build, as there's no emphasis on her being particularly thin or overweight.
Overall, Hildy is described as having a small, energetic build, with striking dark features and curly hair. The focus of the book is more on her personality and character rather than her physical appearance.