The two kids were last seen in Egypt, hunting for one of the 39 Clues that could make them the most powerful people on earth. But no one has seen the siblings since. Has the ruthless Irina Spasky finally tracked them down? Or worse-- the Madrigals?

It is up to the Thea sisters to investigate when their friend is falsely accused of theft and barred from competing in a figure skating championship in Russia.

Sometime spy Evan Tanner has accepted impossible assignments for many reasons: money, thrills, to have something to occupy his waking hours (twenty-four of them every day, in fact, since battlefield shrapnel obliterated his brain's sleep center). But this might be the first time he's put his life on the line . . . for love. Tanner's agreed to smuggle a sexy Latvian gymnast-the lost lady love of a heart-sick friend-out of Russia. With the Cold War...