Old Moore's Almanack
From Longman Dictionary of Contemporary EnglishOld Moore's AlmanackOld Moore's Al‧ma‧nack /ˌəʊld mʊəz ˈɔːlmənæk $ -mʊərz ˈɔːl-, -ˈæl-/ a small British almanac (=a book giving information about the movement of the sun and moon, the times of the tides etc) which is produced each year and sold in large numbers. It is known for making predictions (=saying what will probably happen in the future) based on such things as the position of the planets in the sky. Its predictions are often about political events or famous people.