"Saffy's Angel" is a children's novel by Hilary McKay that follows the story of Saffron "Saffy" Lewis, a young girl who discovers her family's artistic heritage. After her grandmother's death, Saffy learns about a special angel statue that belonged to her grandmother, which she believes will help her connect with her past and her family's history. As Saffy embarks on a quest to find the angel, she is supported by her quirky family and friends, including her siblings and the imaginative Sarah. The novel explores themes of identity, family bonds, and the importance of creativity, all while maintaining a light-hearted and humorous tone.