Professor X and his dog, Y, teach kids how to count exponentially by powers of 10 (1, 10, 100, 1,000, 10,000, etc.), beginning at 1 and working all the way up to a googol (a 1 followed by 100 zeros)... This description may be from another edition of this product.
Related Subjects
Arithmetic Children's Children's Books Education & Reference Math Mathematics Science & Math