Definition of black book:
(n) :
A book kept for the purpose of registering the names of persons liable to censure or punishment, as in the English universities, or the English armies.
(n) :
A 19th century book detailing the corruption and financial abuses of the British government.
(n) :
A book kept in the football with the United States President describing nuclear retaliation options.
(n) :
(by extension) A book critiquing or denouncing something.
(n) :
A book compiled in the 12th century, containing a description of the court of exchequer of England, an official statement of the revenues of the crown, etc.
(n) :
A book containing details of the enormities practiced in the English monasteries and religious houses, compiled by order of their visitors under Henry VIII, to hasten their dissolution.