About Janet Slingerland Janet Slingerland is a Capstone Press author. Books by Janet Slingerland Le chemin vers le Haut—Canada et le Bas—Canada by (author) Janet Slingerland Ages 10 to 11 Grades 5 to 6 Road to Upper and Lower Canada by (author) Janet Slingerland Ages 10 to 11 Grades 5 to 6 The Secret Lives of Plants! by (author) Janet Slingerland illustrated by Oksana Kemarskaya consultant editor Ken Cameron Ages 8 to 14 Grades 3 to 9
