Third grader and inventor extraordinaire Ada Lace likes nothing more than to tinker with mechanics like her robot, George. Her latest project is to fix up a ham radio, something that she could use to contact people on this planet... and beyond. The only problem is that she just can't get it to work properly.
During a sleepover, Ada's best friend Nina hears something strange coming from the radio in the middle of the night. A distant voice says, "Release the swarm!" convincing Nina that aliens are about to invade planet Earth. Could Ada and Nina have stumbled upon something... extraterrestrial?
From Emily Calandrelli — host of Xploration Outer Space and graduate of MIT — comes the third novel in the Ada Lace series, a fun illustrated chapter book series about an eight-year-old girl with a knack for science, math, and solving mysteries with technology.