Ada Twist and the Disappearing DogsThe fifth story in the New York Times bestselling Questioneers chapter book series following Ada Twist, Scientist and friends. Blue River Creek has a problem: theres a pet thief on the loose! Or at least, Sofia and Iggy are convinced that there is once their pets go missing. But as a scientist, Ada knows its important not to jump to conclusions and to follow the facts. How will they find out what really happened to the towns pets? By using the