Roberts, Willo Davis

During a frightening trip spent in airplanes and airports between Seattle and San Francisco, eleven-year-old Gracie and her two cousins Charlie and Eddie get involved with sinister characters, identical flight bags, and an assault on an innocent old lady.

Steve's investigation of a haunted house that seems to be in use involves him with criminals who think he knows too much.

First, eleven-year-old Megan is astonished when her mother insists on taking her and her younger brother up to the lake cottage a week before school is out; then they find mysterious strangers following them.

After the death of her father, Steffi lives with her disagreeable grandfather in a recreational vehicle park where everyone seems to have a secret.

When her grandmother decides to ditch assisted living and start a boarding house, fourteen-year-old Amanda Jane Keeling, or Rebel, signs on for the work crew, where she just happens to meet a teenaged boy taller than she is and to embroil them both in a mystery.

When her father disappears mysteriously on a trucking job, eleven-year-old Buddy moves in with relatives she hardly knows and finds herself in a dysfunctional family with secrets about the past.

During a frightening trip spent in airplanes and airports between Seattle and San Francisco, three cousins get involved with sinister characters, identical flight bags, and an assault on an innocent old lady.

A baby sitter and her three willful charges make a formidable team to outwit their surprised kidnappers.

En route to stay with her uncle in Texas in the late 1860s, twelve-year-old Jo experiences a stagecoach robbery and becomes involved with a reluctant young outlaw aiming to change his ways.

Rob admits having seen a murder, but no one believes him--except the murderer.