Will a refrigerator turned into a time machine safely deliver Paisley and Ben back in time to see if Tyrannosaurus rex had blue feathers? Buckle up, it's going to be a wild ride! This title includes activities, websites, and a spotlight on women in science. Paired to the nonfiction title STEM Guide to Calculating Time. SUBJECT: Fiction, BISAC: JUV036000, AGES: 7-10, GRADES: 2-5, Guided Reading Level: R, LEXILE: 780L, AR LEVEL: 5