Hoarders collect to excess, filling bathtubs, closets, kitchens, garages, storage sheds-floor-to-ceiling-to render their living spaces uninhabitable. They're so consumed they lose jobs, family and friends, homes, health, and occasionally their lives. To the rest us, these people seem bizarre or mentally ill, and we view their challenges with impatience, frustration and simplistic answers.

Yet a true fix isn't so simple.

My Husband's Under Here Somewhere, however, strives to unearth them.

Morbidly fascinating tales abound as the lives of hoarders who amass animals and...