The Circus for Hire is a whirlwind of an adventure where the Crypto-Capers travel to Russia to save Max and Mia's parents, Mitchem and Martha Holmes, from going to prison for a crime they didn't commit. Finding themselves caught up in a scandal that is beyond their control, they use their skills and talents to try to outsmart the most notorious criminal of all time, but can they do that without sacrificing one of their own? Lies become intermixed with truth, yet, with the help of a new ally, the Crypto-Capers find themselves ahead of the game, but will they find the ending they're looking for? Puzzles of varying degrees of difficulty challenge the reader in this award-winning interactive mystery series.