Which textbook does Severus Snape confiscate from Harry in his sixth year?

Advanced Potion-Making

What sitcom starred the Tanner family living in San Francisco? The city of Karachi is located in which country? What dynasty is considered China’s age of great artistic achievement, particularly poetry, between 618 and 907 CE? Which Christmas movie involves children creating a snow day by stopping a snowplow? Which Greek historian is known as the "Father of History"?