Dreyer's English 2021 Day-to-Day Calendar brought to you by Random House's longtime copy chief, Benjamin Dreyer, who is beloved by authors and editors alike - not to mention his followers on social media - for deconstructing the English language with playful erudition. In this authoritative and humorous day-to-day calendar, he distills everything he has learned from the myriad books he has copyedited and overseen into a useful guide that is chock-full of advice, insider wisdom, and fun facts on punctuation, spelling, and grammar.