When Dr. Bunsen gets sick with a bad cough, he insists that he has no time to sleep! He swallowed a top-secret experiment to prove his scientific findings, but now he needs the kids' help to kick out the cold! And luckily, Bunsen has created a high-tech shuttle that can shrink down and travel inside the human body. Join the kids as they suit up and dive down the Bunsen brain drain!

With easy-to-read language and illustrations on almost every page, the DATA Set chapter books are perfect for emerging readers.