Absolute Pi

It all started one spring morning, with a complicated calculus problem that Beth Bryant couldn't figure out. Hoping to get a little help from the brilliant Stone twins, Rick & Ryan, Beth leaves them the problem, getting their assurance that they'll have it figured out by early afternoon. But by 2:00, the calculus problem is the least of their problems. When Beth goes to retrieve the promised answer, she finds Ryan dead, slumped over his computer,...