My Teacher Is an Alien 3-Books-in-1!: My Teacher Is an Alien; My Teacher Fried My Brains; My Teacher Glows in the Dark (My Teacher Books) - Softcover

Sixth grade is just out of this world...

Susan Simmons can tell that her new substitute teacher is really weird. But she doesn't know how weird until she catches him peeling off his face -- and she realizes that "Mr. Smith" is really an alien!

At first no one will believe her -- except Peter Thompson, the class brain. When Peter and Susan discover Mr. Smith's horrible plans for their classmates, they know they have to act fast. Only they can get rid of their extra-terrestrial visitor -- and save the rest of the sixth grade class from a fate worse than math tests!

Read by Liza Ross
two cassettes / 2 hours 24 mins.

Susan Simmons is upset to learn her favorite teacher, Ms. Schwartz, has left school with no warning.  Things get even worse when she meets their new teacher, a stricter-than-strict guy named Mr. Smith.  Soon sixth grade is going bad faster than a dead fish on a hot day.

Then Susan discovers Mr. Smith's fantastic secret:  He's really a disguised alien planning to kidnap some of her classmates.

To unmask the alien Susan has to enlist the help of Peter, the class brain.  Duncan, the class bully, insists on helping too.  But what can three kids do against a powerful alien disguised as their sixth grade teacher?