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blue book

or bluebook

noun
1.
a register or directory of socially prominent persons.
2.
any register or directory, as of major companies or officials.
3.
a blank book used in taking college examinations, usually with a blue cover.
4.
a British parliamentary or other publication bound in a blue cover.
5.
(initial capital letters) Trademark. a reference manual listing the current market value of used cars by model and year of manufacture.
6.
a similar manual listing the market value of other items, appliances, etc.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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