Jessica and Jed are hoping to ride in Uncle Samâs tank. But when they go to visit him, they discover it doesnât work. In fact, itâs in pieces! luckily, Uncle Sam knows how to repair it. Join them in their quest to rebuild the tank, and along the way discover the science of the machine and what makes it work.
WHY THINGS DON'T WORK is a series of books that present a comic story to show how machines workâ from the creator of
âBrain Surgery for Beginnersâ, â53 1/2 Things That Changed the Worldâ and âAnswers to Questions You Always Wanted to Askâ.
Jessica and Jed are hoping to ride in Uncle Samâs tank. But when they go to visit him, they discover it doesnât work. In fact, itâs in pieces! luckily, Uncle Sam knows how to repair it. Join them in their quest to rebuild the tank, and along the way discover the science of the machine and what makes it work.
WHY THINGS DON'T WORK is a series of books that present a comic story to show how machines workâ from the creator of
âBrain Surgery for Beginnersâ, â53 1/2 Things That Changed the Worldâ and âAnswers to Questions You Always Wanted to Askâ.