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    <subfield code="a">Landon, Herman,</subfield>
    <subfield code="d">1882-1960</subfield>
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    <subfield code="a">The unknown seven</subfield>
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    <subfield code="a">Salt Lake City, UT :</subfield>
    <subfield code="b">Project Gutenberg,</subfield>
    <subfield code="c">2026</subfield>
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    <subfield code="a">1 online resource :</subfield>
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    <subfield code="a">Release date is 2026-02-22</subfield>
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    <subfield code="a">Tim Miller, Robert Tonsing, and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)</subfield>
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    <subfield code="a">"The unknown seven" by Herman Landon is a detective novel written in the early 20th century. It centers on criminologist Kingdon Cole, who is drawn into a shadowy conspiracy tied to a missing man, Malcolm Reeves, an enigmatic scientist named Professor Carmody, and a secret council of seven masked figures. Expect urban intrigue, psychological pressure, and high-stakes cat-and-mouse play set against a clandestine New York backdrop.

The opening of the novel finds Kingdon Cole staking out Professor Carmody when a mysterious woman in a limousine&#x2014;calling herself Miss Brown&#x2014;whisks him to a hidden suite atop a skyscraper. There, seven masked men try to bribe and coerce Cole into dropping the Reeves case; when he refuses, they plunge him into darkness, warn him via speaking tube, and present the now-insane Reeves as leverage, even threatening a brain operation to break Cole&#x2019;s will. Cole narrowly escapes an ether-laced &#x201C;operation&#x201D; by seizing a knife and overpowering a disguised &#x201C;surgeon,&#x201D; after which the masked group abruptly claims they did not harm Reeves and urges Cole to pursue a new lead: Doctor Dickson Latham, a nerve specialist they suspect, based in part on Reeves&#x2019;s reaction to a staged resemblance. At the start of the next day, Cole visits Latham under an alias to take his measure; the doctor appears genial and competent as the excerpt ends mid-consultation. (This is an automatically generated summary.)</subfield>
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    <subfield code="p">Originally published:</subfield>
    <subfield code="c">New York: Chelsea House, 1923</subfield>
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    <subfield code="a">New York (N.Y.) -- Fiction</subfield>
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    <subfield code="a">Detective and mystery stories</subfield>
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  <datafield tag="653" ind1=" " ind2=" ">
    <subfield code="a">Private investigators -- Fiction</subfield>
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    <subfield code="a">Secret societies -- Fiction</subfield>
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    <subfield code="u">https://archive.org/details/unknownsevenadet00cove</subfield>
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  <datafield tag="856" ind1="4" ind2="0">
    <subfield code="u">https://www.gutenberg.org/ebooks/78010</subfield>
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