Her books, some of which have featured on the New York Times bestselling list, include Leeva At Last, Pax, Summer of the Gypsy Moths, the Clementine series, the Waylon series, and the Stuart books.
Pennypacker has written many children's books, including Leeva At Last, Pax, Pax Journey Home, Here in the Real World, Summer of the Gypsy Moths, the Clementine series, the Waylon series, and the Stuart books.
[5] She received Boston Globe and Horn Book awards for Clementine.
Summer of the Gypsy Moths,[14] Clementine,[15] Pax,[16] Dumbstuck[17] and Here in the Real World[18] received starred reviews from Publishers Weekly.
Pax,[19] Meet the Dullards,[20] and Summer of the Gypsy Moths[21] received starred reviews from School Library Journal.