Jennie, distressed that her mother believes her father is dead and wishes to remarry, looks forward to her summer with her grandmother, travel-writer and occasional secret agent Helen McGrady, but when Gram disappears and becomes the chief suspect in a major jewel theft, Jennie and Gram's neighbor Ryan investigate
Visiting Florida with her grandmother, who is researching an article on dolphins, Jennie McGrady encounters Sarah Stanford, who has been silent since her father's murder two years before, but as Sarah responds to contact with the dolphins, she puts her own life at risk
Jennie McGrady takes time from her search for her missing father to help Portland Rose Princess Allison Beaumont, who is sure she is being tracked by a stalker
A fantasy cruise turns into a deadly nightmare for Jennie when she resumes the search for her missing father. Ages 13-17.
When her younger brother disappears, sixteen-year-old Jennie McGrady is suspicious of her new neighbor and she puts herself in danger when she tries to find her brother before it is too late
When sixteen-year-old Courtney, the daughter of a pharmacist, calls for help, Jennie sets off to solve a mystery involving drugs, sports, and competition
Jennie begins detective work when she arrives at the ranch owned by her uncle, a full-blooded American Indian, and learns that a bomb has exploded in the stables.
Jennie becomes involved when someone breaks into the high school to steal chemicals and then the chemistry teacher is found shot dead
When his best friend is arrested for murder, Ryan teams up with his girlfriend Jennie to find the real killer
Jennie searches for the person responsible for burning down the buildings that comprise her beloved church and school
Jennie visits a fur farm and is excited to see that Scott Chambers, an old friend and animal activist, has taken a job at the same farm, but when mink are released from a neighboring farm, Jennie fears Scott is behind it
Annie Phillips disappears after an article in the school newspaper announces that she was abandoned in a trash bin at birth, and Jennie suspects television reporter Debra Noble knows something of Annie's past
With no chance to escape from the bank robbers who abducted her in the wilderness of Washington State, sixteen-year-old Jennie watches for a chance to stop the bandits and receives a blow to her head resulting in amnesia.
When their plane crashes after a flying lesson with her grandmother, Jennie seeks help at a commune which may not be as innocent as it seems, where she finds that God can use even the most difficult circumstances to work His will.
When Helen Brady must travel to Ireland to settle her mother's estate she asks Jenny to accompany her, and together, they begin to sort through family records only to discover that some of the facts don't match up.