You walk along the right-hand passageway for a long distance, praying that you can find a tunnel that will lead to your own time. You choose one of the many tunnels you see and follow it. Instead of rising to the surface, you enter a brightly-lighted chamber, in the center of which is a bearded, old man seated in a chair.

“Welcome,” he says, as if he has been expect- ing you.

“Thank you,” you reply. “Can you help me find my way back to my own time?”

The old man smiles. “First of all,” he says, “tell me why you want to return to your own time instead of another time.”

If ” turn to page 43.

If You say, “Because I don’t want to take a chance of being in a bad time” tum to page 41.

If You say, “I would like to try another time, but only if you can

assure me that I will eventually get back to my own time” tum to page 44.

If You say, “Who are you?” tum to page 45.