It’s the obsessive calendar for knowledge buffs, factoid lovers, and trivia night regulars.

There’s science trivia: On average, how much of the human brain is made up of water? (Approximately 75 percent.) Animal trivia: What is a group of ferrets called? (A business.) Movie trivia: In the James Bond films, what is Bond’s go-to drink order? (A vodka martini—shaken, not stirred.) And mythology trivia: Who is the ancient Greek god of travel, trade, and hospitality? (Hermes.) If you’re stumped, you can find answers on the back of each page. Printed on responsibly sourced paper and 100% recyclable.