I Didn't Know That About How Things Work
Tony Tallarico
Hardcover
(Smithmark Pub, May 1, 1992)
Young readers can learn about the hot air balloon, the light bulb, the submarine, papermaking, the helicopter, the orchestra, the microwave oven, the human heart, solar energy, the airplane, lasers, and magnetism while searching for the people and objects hidden in the illustrations.Young readers can learn about the hot air balloon, the light bulb, the submarine, and other inventions and discoveries while searching for the people and objects hidden in the illustrations