Tony Abbott Books in Order

An assassination plot targets the guardians of the Copernicus relics, leaving the Kaplan children increasingly isolated. Racing from France to Antarctica, they must find the remaining pieces before their enemies seize the power to threaten the world.

Eleven-year-old Owen expects a carefree Cape Cod summer until best friend Sean confides that his babysitter is abusing him. Sean demands secrecy, leaving Owen torn between keeping his friend's trust and finding the help he needs.

Five years after his death, Denis cannot move on while his twin Matt remains unable to let go. Returning home to investigate what happened brings painful consequences for Denis and renewed strain on their grieving family.

Jeff Hicks struggles with a new school, a broken friendship, and mounting family instability. When his mother loses her job, worries about rent, her drinking, and his absent father force him to confront the possibility of homelessness.

Bobby endures school bullying and life with an angry, neglectful father, taking refuge in lonely walks through the woods. Friendship with Rachel, an artist facing her parent's rejection, offers both teenagers a chance to confront their troubled lives.