Harry's brother asks the title question after Harry returns from a record-setting ballon flight that took him to the upper reaches of the atmosphere. Harry's just not acting like himself. Maybe it's the way he levitates himself and other objects...
Being shipwrecked on a deserted island becomes even more complicated when it turns out the island has an alien occupant, also marooned after a space craft failure. Can suspicion be put aside long enough for mutual survival?
As an explorer is searching caves in Africa, a tremor exposes wall paintings and a gourd filled with herbs. The paintings explain that when a picture of a desired result is drawn, and a damp hand is put in the herbs and then placed on the picture, the green hand print will make it come to pass. Unfortunately there's always someone out there ready to make bad use of these types of powers.
While rushing to stake their claim on a cleveite mine, Abel and Frank are almost knocked out of the sky by fireballs...fireballs that take on humanoid form and proceed to terrorize the area.