Other editions of book PROOF: Double Identity: A Mystery in Five Parts

In Part I teenagers find two headstones with their mother's name and date of birth on both. The investigation of this mystery leads to the formation of a young detective club. In the subsequent parts the young detectives work on other mysteries and learn more about the circumstances surrounding their parents' deaths. In Part V a stranger returns and helps the young detectives bring the case of their parents' murder to a close and bring those responsible to justice.

In Part I teenagers find two headstones with their mother's name and date of birth on both. The investigation of this mystery leads to the formation of a young detective club. In the subsequent parts the young detectives work on other mysteries and learn more about the circumstances surrounding their parents' deaths. In Part V a stranger returns and helps the young detectives bring the case of their parents' murder to a close and bring those responsible to justice.