1. What aspect of physics deals with alternate dimensions? What, in plain English, is the theory behind alternate timelines? Is it popular among physicists?

2. Read the other Svetz stories (they may be found in The Flight of the Horse). Do they all share themes in common? Are they all good reading?

3. Niven has written time travel stories that do not involve Svetz or Svetz's world. You may find a few of them in N-Space and Playgrounds of the Mind.

How are they similar to "There Is a Wolf in My Time Machine"? Are the worlds of the time travelers like that of Svetz? What seems to be Niven's overall attitude toward the concept of time travel?

4. How are communities of wolves typically organized? What aspects of real wolf societies has Niven used in "There Is a Wolf in My Time Machine...