The theme of increased daylight in summer emphasizes the joy and freedom of reading during this season. With longer days, individuals can enjoy more time immersed in books, which enhances their ability to learn and escape into different worlds. This highlights the significance of sunlight not just for physical activities, but also for intellectual exploration and creativity.

In "The Glass Castle" by Jeannette Walls, this quote reflects on the simple pleasure found in summer's extended daylight. For Jeannette, reading becomes a source of comfort and enlightenment amidst her challenging upbringing, illustrating how small joys can provide solace and foster a love for learning.