Where's the book?
The book is in front of the teddy. / It's in front of the teddy. / It is in front of the teddy.
Where's the book?
The book is behind the teddy. / It's behind the teddy. / It is behind the teddy.
Where's the book?
The book is next to the teddy. / It's next to the teddy. / It is next to the teddy.