What does the last T on the Triple T Token stand for? Where did it come from? What did Arcade's mom do with the token when she had it? And why does Arcade have it now? Arcade and Zoe Livingston have been on a quest for truth ever since the mysterious lady gave Arcade the token, said "Happy Travels," and then vanished. Now, Arcade Livingston has just one wish on his twelfth birthday: to experience the ests of life. From the highest, lowest, deepest, coldest, and hottest places on Earth to some of the greatest, most influential moments in history, Arcade will get his wish and much more than he could ever dream as the Triple T Token takes him and Zoe back in time and to the top (and bottom!) of the world. It's a whirlwind journey of self-discovery in some of the most exciting and unusual places on the planet. So hang on tight because these final Arcade adventures are filled with magic elevator rides you'll never ever forget.