Unusual Day is a charming picture book or early chapter book by the British comedian and presenter Sandi Toksvig. The story typically centers on a child or a family experiencing a day that defies the normal routine, often involving a gentle, humorous twist of fate or a slight shift in perspective that makes the familiar seem magical. Toksvig's writing is characterized by its warmth, wit, and gentle observation of human nature. The book celebrates the joy of the unexpected, reminding readers that even small changes to a daily routine can lead to surprising fun and unique memories.