The Secret Sister

When twelve-year-old Olivia Lockhart discovers her mother’s been keeping a huge family secret, she becomes determined to find out exactly what her mom is hiding. But strange characters keep crossing Olivia’s path, leading her to a mysterious waterfall on an exotic island. It will take all of Olivia’s inventing know-how to escape the evil plan she’s unwillingly become a part of.When twelve-year-old Olivia Lockhart discovers her mother’s been keeping a huge family secret, she becomes determined to find out exactly what her mom is hiding. But strange characters keep crossing Olivia’s path, leading her to a mysterious waterfall on an exotic island. It will take all of Olivia’s inventing know-how to escape the evil plan she’s unwillingly become a part of.