<ul>
"Professor Boyd Thompson's services to the cause of science are usually spoken of as inestimable ...". The story explains what suddenly "brought his scientific career to an end", omitting some crucial details.
"He knew that by this drug ... he could intensify the five senses of any of the inferior animals. Could he intensify those senses in man?"
--viewed at Google Books as <i>The Power of Darkness: Tales of Terror</i> (Wordsworth, 2006), pp. 153-68
</ul>
First published December 1909 in The London Magazine with illustrations by {{a|Fred Leist}}
--review by Bleiler as #1604
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1909 | The London Magazine, December 1909 | The Amalgamated Press | MAGAZINE | ||
| July 1910 |
|
Fear | Stanley Paul & Co. | Collection | |1 |
| 1983 |
|
E. Nesbit's Tales of Terror | Methuen | Collection | 83 |
| 1985 |
|
E. Nesbit's Tales of Terror | Magnet | Collection | 83 |
| October 1988 |
|
In the Dark: Tales of Terror | Equation | Collection | 148 |
| June 2000 |
|
In the Dark | Ash-Tree Press | Collection | 162 |
| July 2006 |
|
The Power of Darkness: Tales of Terror | Wordsworth Editions | Collection | 144 |
| May 2012 |
|
In the Dark | Ash-Tree Press | Collection | |162 |
| September 2016 |
|
Horror Stories | Penguin Books | Collection | |7 |
| September 2016 |
|
Horror Stories | Penguin Books | Collection | |7 |
| September 2017 |
|
Frankenstein Dreams: A Connoisseur's Collection of Victorian Science Fiction | Bloomsbury USA | Anthology | |20 |
| September 2017 |
|
In the Dark: Tales of Terror | HarperCollins | Collection | |
| January 2018 |
|
From the Dead: The Complete Weird Stories of E. Nesbit | Hippocampus Press | Collection | |17 |
| February 2018 |
|
In the Dark | HarperCollins | Collection | |
| April 2018 |
|
From the Dead: The Complete Weird Stories of E. Nesbit | Hippocampus Press | Collection | |17 |
| September 2019 |
|
Promethean Horrors: Classic Tales of Mad Science | The British Library | Anthology | 193 |
| September 2019 |
|
Promethean Horrors: Classic Tales of Mad Science | The British Library | Anthology | |193 |
| October 2019 |
|
Promethean Horrors: Classic Tales of Mad Science | The British Library | Anthology | 193 |