Title: The Whistle
Description: When Mary accompanies her mother to take care of her injured grandfather at his house, she discovers his old dog whistle that opens a world a dark, family secrets. While a hidden portrait may be the key to what is upsetting Grandad, Mary's questions go unanswered and she needs to piece the puzzle together before the dog whistle loses its power in revisiting the past.
Subjects: Grandfathers, Family life, Mystery fiction, Science fiction, Children's fiction