The product is a one-shot comic book titled "Ghostbusters: What In Samhain Just Happened" published by Homage in 2017 as part of the US Comics tradition. It is a part of the Ghostbusters series, known for its spooky and hilarious antics. This comic book likely features a single story or adventure within the Ghostbusters universe, catering to fans of the franchise looking for a fun and lighthearted read.