Jon Chad was born and raised in Vermont but now lives with his wife and daughter in Sacramento, CA where he is obsessed with giant robots, pinball, screen-printing, and bookmaking. He is the author of Leo Geo, Science Comics: Volcanoes, Science Comics: The Periodic Table, PINBALL: The Graphic History of the Silver Ball, and the illustrator of Science Comics: Solar System. 

The Solvers accidentally drink a shrinking potion, and need to learn all about fractions and decimals in order to mix an antidote to stop the evil Null Void from taking over the city in their absence.