"When Rosie Revere's Uncle Ned gets a little carried away wearing his famous helium pants, it's up to Ada and friends to chase him down. As Uncle

When Ada's friend Rosie Revere needs help, Ada needs some answers fast. Rosie's Uncle Ned has gotten carried away in his famous heluim pants. Ada

When pets go missing in Blue River Creek it is up to Ada to follow the scientific method by making a hypothesis, collecting data, and experimenti

Sofia is put in charge of overseeing a fair election for a class pet, but first the Questioneers must learn about elections and good journalism--

Iggy is delighted when Ada Twist's Aunt Bernice inherits a mansion featuring his favorite architectural periods, but unless the Questioneers can