Explorer
Book Series
by Carol Gaskin
Latest:
1987
Book 1
Journey to the Center of the Atom!
by Carol Gaskin, Walter P. Martishius
Book 2
Destination: Brain
by Seth McEvoy
Book 3
In Search of a Shark
by Peter Lerangis, Walter Martishius
Book 4
Escape from Jupiter
by Seth McEvoy, Walter Martishius