In this riveting conclusion to the irresistible Jewel Society series, all will be surprisingly revealed! It's the battle of the brightest as the Jewels and Rivals prepare to face-off at the National Quiz Bowl Championship. But before they can get down to studying, the Jewels must gear up to find and save the last of the special gems: the sapphire! And even if they're successful, the Jewels will need to steal back the other stones before they can track down the ultimate treasure that Martha Washington hid all those years ago. As more secret notes begin to appear, the Jewels become entangled in a web of clues that threaten to throw them off course. In this fast-paced conclusion to the series, it will take every bit of courage, cooperation, and wit the best friends have to unearth the secrets buried in the past--and the gauntlet of lies set down before them. This time, the Jewels are racing for the truth!