"How can a plane fly upside down? Why aren't there any super-giant humans? [This book] . . . answers all these intriguing questions about the science of forces, and much more"--Provided by publisher.
"How can a plane fly upside down? Why aren't there any super-giant humans? [This book] . . . answers all these intriguing questions about the science of forces, and much more"--Provided by publisher.
