What age group is Orson Scott Card's book Ender's Game intended for?

Orson Scott Card's book "Ender's Game" is intended for a young adult audience, typically ranging from ages 12 to 18. The novel deals with complex themes such as war, leadership, and morality, making it suitable for older children and teenagers who can engage with and understand these concepts. The book's protagonist, Ender Wiggin, is a child himself, which also makes it relatable and appealing to younger readers.