[Page 298]: Changed work to wreck (wish to know whether anyone has visited the scene of the wreck)

[Page 299]: Changed focussed to focused (This means that we have focused or concentrated cold)

[Page 317]: Added beginning quotes (Its name-grid glowed with the letters: Anita Prince.)

[Page 321]: Changed eavesdroopper to eavesdropper (sitting in the smoking room when the eavesdropper fled past)

[Page 321]: Changed pressure-cick to pressure-sick (We missed you at breakfast. Not pressure-sick, I hope?)

[Page 323]: Changed linquists to linguists (people are by heritage extraordinary linguists)

[Page 324]: Added end quote (Did you have Prince’s cabin searched?”)

[Page 328]: Changed elipse to ellipse (Blackstone had roughly cast its orbital elements)

[Page 339]: Changed focussed to focused (connected its little battery; focused its projector)

[Page 339]: Changed syncronized to synchronized (as I crouched in the darkness behind the cylinder-case, I synchronized)