1.   Hidden in the Net is the mystery of the Invisible Hand-control without authority.

2.   Moreover, there are certain mysteries that weave through life itself, human motive and human desire.

3.   The mystery was in all of their thoughts as silently and grimly they came alongside.

4.   The only real mystery is the precise mechanism by which the inner band of Minoan colonies was established.

5.   There are many theories but the mystery surrounding Stonehenge is as perpetual as the stones themselves.

6.   There is some mystery surrounding Theta Eridani, or Acamar.

7.   Annie knew that there was some mystery surrounding her birth.

8.   This mystery is the best introduction I can think of to biological science in college.

9.   The mystery is how this was ever made.

10.   Also a mystery is how either problem could be related to an infection, which many believe is the initial trigger for CFS in at least half the cases.