The Evolution of Useful Things

The Evolution of Useful ThingsBy: Henry Petroski How did the table fork acquire a fourth tine? What advantage does the Phillips head screw have over its single grooved predecessor? Why does the paper clip look the way it does? What makes Scotch tape Scotch? In this delightful book Henry, Petroski takes a microscopic look at artifacts that most of us count on but rarely contemplate, including such icons of the everyday as pins, Post its, and fast food "clamshell" containers. At the

he makes friends with other creatures who are also afraid of the dark

Learning numbers and counting are essential building blocks for future learning

- Illustrations explain scientific information on plant anatomy

who has her cosmetic surgeon on speed dial

★紐約時報年度最佳兒童圖書★

Cam and Eric are checking out a sports memorabilia booth when a baseball autographed by Babe Ruth disappears

“I’m the Cat in the Hat

Will Izzy Azumi ever see her wish come true

And when he turns into the miracle-working saint of Las Vegas

Or so the note she left her husband insisted

牙齒亮晶晶-建立「刷牙」好習慣

4 cm | Wings of Fire series