In 1905, John O'Leary had newly arrived in San Francisco. Looking for work, he had answered the advert, little understanding what was required for the post - he'd try anything once. In America he found a world of excitement and danger... and working for Abraham ben Zaccheus, San Francisco's most famous psychic detective, there was never a dull moment... 'INVESTIGATOR SEEKS SECRETARY, AMANUENSIS, AND GENERAL ASSISTANT. APPLICANT MUST EXHIBIT COURAGE, STRENGTH, WILLINGNESS TO TAKE RISKS AND EXPLORE THE UNKNOWN... ' In 1905, John O'Leary had newly arrived in San Francisco. Looking for work, he had answered the advert, little understanding what was required for the post - he'd try anything once. In America he found a world of excitement and danger... and working for Abraham ben Zaccheus, San Francisco's most famous psychic detective, there was never a dull moment...