By Maia Shibutani, Alex Shibutani, and Michelle Schusterman.

Andy and Mika are going to Tokyo! The Kudo Kids have never been to Japan before, so they cant believe they get to attend the Summer Olympics there. The siblings plan to eat tons of delicious Japanese food, watch every event they can, and win a super-popular new game called OlympiFan.

Developed by a mysterious former medalist, OlympiFan brings players together from all over the world to search Tokyo for virtual medals and clues to the secretive creators identity. Andy loves puzzles, and hes determined to crack this one, especially since the winning team will get to be beta testers for the Masked Medalists future games!

Mika wants to find as many clues as she can, but she also has a secret goal of her ownone that could get her into big trouble. But when someone sabotages the game, the Kudo Kids have an even bigger mystery to solve than the Masked Medalists identity. If they want to capture the gold, Mika and Andy have to figure out whos trying to stop their team before someone beats them to the grand prize! Hardbound: 272pp.