Tricky Game: Smith Investigation Series 2 Book 3

An old buddy of Smith's, lawyer for many wealthy families, employs the firm to find a lost heir of one of his clients. Without the youngest daughter, Eleanor, the large estate he is in charge of managing cannot be released to the other heirs.

The lawyer expressly asks for Rob, as he knows her for as long as he's known Smith.

Eleanor has left home at 20. All the team has to go on is a postcard dated ten years go...