Olivia Sharp, Nate the Great's cousin

E.J. the spy tries to uncover a secret that Olivia is keeping for a client.

Oliva Sharp, child detective, takes on her first case, helping her friend Duncan, who believes the world is coming to an end.

E.J. the spy tries to uncover a secret that Olivia is keeping for a client.

Olivia Sharp is good at uncovering secrets, and discovers several when on a trip to Carmel, California to help a friend become a member of an exclusive club.

Perfect Desiree seeks the help of wealthy problem solver Olivia Sharp in becoming princess of the school. Desiree has a problem, but its not what she thinks it is.

Desiree wants to be Princess of the Fillmore Street School, and demands everyone be perfect, but she needs Olivia Sharp's help, and after the wealthy Olivia gives her all the things she wants, she's still too bossy to be Princess.