Because of Anya - Margaret Peterson Haddix - Bog

Anya's fourth-grade classmates don't understand why she wears a wig, but when it falls off in front of the whole class, she reveals that she has alopecia areata, a disease that results in hair loss. Keely wants to find a way to help Anya. But what can Keely do when all Anya wants is to have hair again?