Katie Marsico

Learn how Albert Einstein's imagination became a powerful tool that helped him understand the nature of space and time....

Math is everywhere in shopping! Learn what's for sale in this audiobook - and how we need math to finish the purchase....

Math is everywhere when you're traveling! See who's on the move inside this book - and how we need math to finish the trip....

Math is everywhere in the kitchen! Learn what's cooking inside this book - and how we need math to finish the job....

Math is everywhere in sports! Learn who's scoring inside this book - and how we need math to finish the game....

Get ready to learn the strange stories behind technology inventions you use every day....

From the T.P. of Chinese emperors to the landfills of ancient Greece, you'll find out how we got the sanitation inventions that keep us healthy and keep the world smelling fresh....

From sun up to sundown, this nonfiction book takes young nature explorers and zoologists through a day in the life of the emperor penguin. Discover their Antarctic home, eating habits, and fascinating behaviors. Plus, kids can continue exploring after the penguins go to sleep!