Firefly & Fern

Gertrude Chandler Warner

Ages 7–11mystery and problem-solvingfamily and siblings

Pierdomenico Baccalario, Michael Merryweather

Ages 8–12mystery and secretsadventure

Gertrude Chandler Warner, Robert Papp

Ages 8–12mystery and problem-solvingfamily and siblings

Gertrude Chandler Warner, Hodges Soileau

Ages 7–12mystery and problem-solvingfamily and siblings

Gertrude Chandler Warner

Ages 8–12mystery and detective workfamily and siblings

Gertrude Chandler Warner

Ages 8–12mystery and detective workfamily and siblings

Gertrude Chandler Warner, Robert Papp, Charles Tang

Ages 7–11mystery and investigationfamily and siblings