An introduction to radioactivity, explaining atomic structure and how to create a chain reaction, this comic was distributed for free to middle and high school students and was also included as a "freebee" in Gilbert’s U-238 Atomic Energy Lab set. It contains 36 full-color pages and concludes with a multiple-choice quiz. The work was compiled with the assistance of General Leslie Groves (1896-1970), director of the Manhattan Project, and John Dunning (1907-1975), the physicist who verified fission of the uranium atom, as well as several other notable scientists.

Dagwood Bumstead is a fictional character and protagonist of the long-running comic strip Blondie (1930- ). Dagwood features in this work, along with other cartoon characters from the King Features Syndicate universe including Blondie, Mandrake the Magician, Jiggs and Maggie, the Katzenjammer Kids, Flash Gordon, and Popeye.

Digitized content includes the work's covers and select illustrations. This work is protected by copyright law until 2044; to view the full text, contact or visit the Othmer Library of Chemical History.