From Longman Dictionary of Contemporary Englishblue bookˈblue book noun [countable] American English 1 a book with a list of prices that you can expect to pay for any used car2 SECa book with a blue cover that is used in American colleges for writing answers to examination questionsFrom Longman Business DictionaryBlue BookˈBlue Book noun [singular]ACCOUNTING the British government’s official annual accountsAccording to the government’s estimates in its annual Blue Book, the central government owns £122 billion in buildings, machinery and vehicles.
