With Halloween plans on hold while Jack mounts a search, will they be reunited in time to save both holidays?

    Who could be in charge of such a vault and how did he come into possession of such a unique collection? Who is...Professor Brownstone?

    This is a wordless and profoundly moving story--by the creator of the beloved comic strip Mutts--that explores being lost and found, crossing boundaries, saying goodbye, and broadening horizons.