Ada Lace and the Impossible Mission

From Emily Calandrelli—Emmy-nominated host of Xploration Outer Space , correspondent on Bill Nye Saves the World , and graduate of MIT—comes the fourth novel in a fun illustrated chapter book series about an eight-year-old girl with a knack for science, math, and solving mysteries with technology. Third grader and inventor extraordinaire Ada Lace has a new social studies teacher—who loves group projects. While most of the class has constructed regular dioramas with clay and construction paper, A