It’s a double mystery when a robot and a hamster go missing before the science fair in the third book of this full-color early chapter book series about the best detectives in the Midwest!

Detective Tip #3: Use your imagination and stay calm!

When a classmate’s DIY robot goes missing right before the school Science Fair, Detective Wednesday Nadir and her service dog, Woof are sure they can find it…until the class hamster also disappears! Now the pressure is on! Can Wednesday and Woof use the scientific method to solve two cases at once—or will the stress cause a mess?

HarperChapters build confident readers one chapter at a time! With short, fast-paced books, art on every page, and milestone markers at the end of every chapter, they’re the perfect next step for fans of I Can Read!

• Kids Detective Duo: Join Wednesday Nadir and her amazing dog, Woof, as they tackle their trickiest case yet.
• A Fun STEM Mystery: Watch as the team uses the real scientific method to track down clues and find the missing class hamster, Crackers!
• Perfect for Beginner Readers: With short chapters and full-color art on every page, this series is ideal for kids transitioning from I Can Read books to chapter books.
• Heartwarming School Story: Navigate the drama of the second-grade science fair, from classroom rivalries to mysteries that can only be solved with friends.