Thingsome yfish is inggo on! (That"s Ward-back for "Something fishy is going on!") Lu and Clancy get wind of a crime by decoding a secret language the criminals are using. Now it"s up to the doggy duo to break all the thieves" sneaky codes before they get away! Fortunately, Lu and Clancy know secret languages like Iggity, Ward-back, Ra-Ha and Egg. The book combines an entertaining, easy-to-read story with step-by-step instructions for hands-on detective activities. Playful illustrations add to the fun of the chase, while answers at the back of each book let readers know if they are on the right track.