
In this 7th novel in the Tom Swift Invention Series, the planet Pluto suddenly disappears. It is there one minute and gone the next. Is this the start of an invasion, or something even worse? Tom Swift is called upon to investigate. For starters he agrees to refurbish and move...

In this hardbound edition of the 7th novel in the series, the planet Pluto suddenly disappears. There one minute and gone the next. Is this the start of an invasion? Tom Swift is called upon to investigate. For starters he agrees to refurbish and move the long-defunct Hubble...