Chapter 1 of the book “Gregor the Underlander” introduces us to the main character, Gregor, who is a ten-year-old boy living in New York City with his family. Gregor’s father mysteriously disappeared two years ago, leaving his mother to take care of him and his two-year-old sister, Boots.

One day, while doing laundry in the basement of their apartment building, Gregor and Boots are unexpectedly transported to a strange underground world called the Underland. They find themselves in a dark and eerie place filled with giant cockroaches, rats, and bats.

Soon, Gregor and Boots are discovered by a group of humans who live in the Underland. These people are called Underlanders, and they are surprised to see Gregor and Boots because they believe that Gregor is the “Warrior” from an ancient prophecy. According to the prophecy, the Warrior is supposed to save the Underland from an evil ruler and bring peace to their land.

Gregor is confused and scared, but he quickly realizes that if he wants to find a way back home, he must help the Underlanders. He learns that his father had also been in the Underland before he disappeared, and the Underlanders believe that Gregor’s arrival is not a coincidence.

As the chapter ends, Gregor and Boots are taken to the Underland’s main city, Regalia, where they meet the Underland’s queen, Luxa. Gregor is determined to find a way back home, but he also feels a sense of responsibility to help the Underlanders and fulfill the prophecy.

In this chapter, we are introduced to the exciting and mysterious world of the Underland, where Gregor and Boots find themselves unexpectedly. Gregor’s journey begins as he tries to understand his role in the prophecy and navigate this strange new world.