Have you ever heard of armpit air conditioners? Or a toilet paper hat? Wacky Inventions Throughout History describes some of the wackiest inventions that seem too crazy to be true--but are! Whether useful, entertaining, or just plain silly, these mind-boggling inventions and gadgets from yesterday, today, and tomorrow will surprise and delight fun-fact lovers of all ages.

50 Wacky Inventions Throughout History describes 50 unbelievable inventions that seem too crazy to be true.

Have you ever heard of a bike TV? Or a bird diaper? Wacky Inventions Throughout History describes some of the wackiest inventions that seem too crazy to be true--but are! Whether useful, entertaining, or just plain silly, these mind-boggling inventions and gadgets from yesterday, today, and tomorrow will surprise and delight fun-fact lovers of all ages.

Learn about 50 weird and funny things pets do, like why dogs chase their tails and how cats land on their feet, along with other animal habits and personality quirks!

Did you know that a sneeze moves at about 100 mph? Or that an average person is 7.5 heads tall? Did you know that humans share 99.9 percent of their DNA with each other?

Winner of ASJA's (American Society of Journalists and Authors) 2018 Annual Writing Awards for Children/Young Adult Nonfiction. 50 Wacky Things Animals Do is loaded with all the wacky, interesting, and sometimes gross things animals do that seem too crazy to be true, but are! The planet Earth is a big place, and it's filled with all kinds of animals that do some pretty crazy things! For example, did you know that giraffes clean their ears with their tongues? Or that food passes through a giant squid's brain before going to its stomach? It's true! 50 Wacky Things Animals Do describes 50 unbelievable animals and the things they do that seem too crazy to be true - but are! Whether incredible, funny, or just plain gross, these peculiar and fascinating animal behaviors will surprise and delight fun-fact lovers and future zoologists alike. You'll have so much fun you'll be doing handstands like you were a skunk (something they really do!) and laughing like a hyena (how they really communicate!).

50 Wacky Things Humans Do describes 50 weird, wild, and unbelievable things the human body is able to do. Science has never been so much fun! Did you know that when you sneeze it rockets out at over one-hundred miles per hour? How about that the average person sheds about five hundred million skin cells every day? What about the fact that most of the cells in your body are not even human?! 50 Wacky Things Humans Do gives you the dirt on 50 unbelievably weird things about the human body that seem too crazy to be true, but are! Whether amazing, silly, or just plain gross, these peculiar and fascinating things about the human body will surprise and delight fun-fact lovers of all ages. 50 Wacky Things Humans Do is just one book in Walter Foster Jr.'s Wacky Series. Be sure to also check out 50 Wacky Things Animals Do, Wacky Inventions Throughout History, and 50 Wacky Things Pet Do.