I wonder why (New York, N.Y.)

Includes index

Why do people invent things? -- Is everything invented? -- Where do inventors get their ideas? -- Which new invention was soon on everyone's lips? -- Who wore a mouthful of hippo teeth? -- Why were Band-Aids invented? -- Who first flushed the toilet? -- Who first jumped in the bath? -- How did horses help keep carpets clean? -- Who invented raincoats? -- Why do zippers have teeth? -- Can clothes keep you feeling fit? -- What did people use before refrigerators? -- Who ate the first cornflakes? -- How were drinking straws invented? -- Why are bears called teddy bears? -- Which toy is 6,000 years old? -- When did home computer games appear? -- How do you make toast without a toaster? -- Who invented the microwave oven? -- Why don't nonstick frying pans stick? -- Who scored goals in a basket? -- Why are sneakers so springy? -- How did people ice-skate in summer? -- What were the first cars like? -- How do you ride on air? -- Which bikes have sails? -- How can you fit 1,500 books in your pocket? -- Which computer was as big as a bus? -- Who was Mr. Biro? -- How did a till settle a row? -- Who used tea as money? -- How can a shopping cart make you rich? -- Which come first--screws or screwdrivers? -- Who had everything under lock and key? -- Could a horse mow the lawn? -- Who took hours to take a photo? -- When could you watch pink TV? -- Who invented the personal stereo? -- How can you fight a hungry dinosaur? -- Are there robots in space? -- Index

Answers a wide variety of questions about the invention of common household items