Six Clearview Middle School seventh-graders are $500 richer after buying a Maryland State Lottery ticket this week in order to test a scientific hypothesis. Benjamin Lloyd, 12, whose father purchased the winning ticket, declined to discuss details of the students' experiment, citing concerns of competition in the March 13 state science fair. . . . Mr. Ennis was as tight-lipped as his students regarding the nature of their experiment. "They plan to go public at the science fair. And that's about all I can say. But," he said, grinning, "I do predict a win." Thus reads an article in the Waverly Times, which is Exhibit Ain the Mad Science Club's report to prove the existence of ESP. As told through the individual voices of a diverse cast of characters, Mind Games crackles with personality. Discoveries from the paranormal to the personal abound in this insightful exploration of friendship, science, ESP--and the lottery.