Complex sentence: The story drops the reader into Little Chandler's life when he is at work, however, he cannot focus for he is preoccupied with the thought of a visit which is set to take place later that day.
Split into simpler sentences: The story drops the reader into Little Chandler's life when he is at work. He cannot focus for he is preoccupied with the thought of a visit which is set to take place later that day.