In this prequel to the Last Healer Mysteries series, Joe shares with Katie the story of his very first investigation, a poignant story from 1926 Brooklyn that opened his eyes to the uniqueness of his healing ability.

Shortly before his tenth birthday, while he was dealing with the untimely death of his adoptive father, Joe learns that no one else has his healing abilities, and he may be a freak. He then discovers his beloved cat, Smokey, has vanished along with many other neighborhood felines. Teaming up with his best friend Jimmy, the boys become detectives on a quest that turns into a lifeline amid grief and worry. The boys' investigation eventually reveals the surprising truth about the cats' fate, but it also draws them into a deeper, more urgent problem that will test whether Joe can heal anyone besides himself.

Last Seen is a family-friendly tale of friendship and the many forms of healing.