An index(索引)is usually at the end of a hook．It tells us most of the topics the writer talks about in the book．The topics are usually listed from letter A to letter Z．Under each topic, there are some small topics, and we can find the page number after each small topic．Here is part of an index from a cookbook(烹调手册)：

dry 63　　　　　cabbage 125　　　　apple and beef 161　　bean 189

French fries 67　chicken egg 137　　　cheese 170　　　　　beef 192

new 82　　　　　fruits 139　　　　　chicken 172　　　　carrot 196

sour 100　　　　green 151　　　　　cold meat 182　　　　chicken 220

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