The heading and title of Chapter VII were reversed in order in the text. Restored.
The following typographical errors have been corrected
| Page | Error | Correction |
| 391 | briar; | briar, |
| 392 | musn't | mustn't |
| 401 | heads | head |
| 408 | torpedos | torpedoes |
| 411 | corruscating | coruscating |
| 412 | Tarnana | Tarnan |
| 545 | The attackers | "The attackers |
| 547 | concience | conscience |
| 550 | tubular, | tubular |
| 552 | psssible | possible |
| 561 | trending | tending |
| 561 | Normalin | Norlamin |
| 609 | Seaton | Rovol |
| 609 | gear-strain | gear-train |
| 609 | long. | long." |
| 619 | You are | "You are |
| 620 | emperically | empirically |
| 626 | desired." | desired. |
| 626 | aways | always |
| 627 | fast. | fast." |
| 627 | acceleration? | acceleration?" |
Both 'cerebin' and 'cerebrin' were used once each. No changes have been made.
Variable hyphenation has not been corrected. Numbers in parentheses in the following table indicate the number of times each form has been used.
| air-lock (3) | airlock (4) |
| air-tight (1) | airtight (1) |
| Earth-men (2) | Earthmen (1) |
| head-set (1) | headset (12) |
| inter-galactic (2) | intergalactic (1) |
| stop-watch (1) | stopwatch (1) |
| store-rooms (1) | storerooms (1) |