Series
Summary
"When Dr. Cosmic's class meets Commander Nova, the school astronomer, they know their next lesson will be out of this world! With the help of Dr. Cosmic's latest invention--a planetarium--the class must complete four challenges. Each time the planetarium shifts and the atmosphere changes, the studen... Full description
Series: Mad Scientist Academy
The dinosaur disaster (Volume 1.)
The weather disaster (Volume 2.)
The space disaster (Volume 3.)
The ocean disaster (Volume 4.)