Book Description
for Under the Sea with Googol and Googolplex by Nelly Kazenbroot
From the Publisher
Googol and Googolplex have come back to earth to continue their scavenger hunt. Tutus, sand dollars and peacock feathers are on their list. Luckily Troy and Pippa are ready to help, and the ocean is nearby, but so is Martin Kelly, the boy next door, who will ruin everything if he gets a chance.
Publisher description retrieved from Google Books.