Alice Éclair is back for her fourth adventure—with higher stakes, stealthier spies, and more delicious cakes than ever before! At France’s Olympics training camp, a brilliant young cyclist needs help. Her father has disappeared—along with the machine he invented that creates unbreakable codes. Alice must go undercover in the athletes’ kitchen, desperate to crack the case and find the missing man. Armed with an exquisite light sponge mix and an airy disregard for danger, can Alice serve up a solution before it’s too late?