Fans of Ada Twist, Scientist , will want to join Dr.
Each time the planetarium shifts an.
Cosmic\'s latest invention--a planetarium--the class must complete four challenges.
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.
When Dr.
Cosmic\'s class of clever monsters as they tackle gravity, comets, and many moons in the third book of the Mad Scientist Academy series.
Fans of Ada Twist, Scientist , will want to join Dr