Allie's Ghost Hunters Books in Order

Allie’s family moves into a house her mother considers welcoming, then mysterious writing and nightmares appear in her sister’s room. When alternative remedies and paranormal investigators fail, Allie decides to investigate the haunting herself using observation and practical reasoning.

Asked to help a friend’s aunt contact a dead relative, Allie joins the Exorcists’ Club. The attempt draws her into a troubling mystery surrounding Eloise, requiring careful detective work and support from friends as contact with ghosts becomes dangerous.

On a school trip to Hill End, Allie encounters a museum ghost and a destructive presence in an old cottage. When two classmates vanish, the apparent hauntings become an urgent mystery she must solve before someone else disappears.

Allie expects a weekend of ghost hunting at the Jenolan Caves, despite family arguments and a haunted hotel. Instead, something vicious and foul-smelling begins following her, turning a planned tour into a more dangerous supernatural investigation.