Evil Queen Tut and the Great Ant Pyramids

The book is about ten-year-old Zack who shrinks to the size of an ant after accidentally using too much of a classmate's diet powder during a class picnic in Central Park. At ant-size, he discovers an army of ants building a pyramid for their despotic pharaoh-queen. The story follows Zack's experience living among ants while under the rule of the ant queen.