Introduction
Children’s literature is not merely a source of entertainment for young minds; it also plays a critical role in shaping a child’s perspective of the world. Among all the myriad themes, the depiction of 'holidays' is particularly interesting. Holidays in children’s literature have profound psychological implications that can have a lasting impact on the mental and emotional development of a child.

Significance of Holidays in Children’s Literature
Children's books, irrespective of their themes and structure, are always a reflection of human life. It's no surprise then that authors of children's literature often incorporate 'holidays' as a key element in their narrative. Holidays represent a time of joy, excitement, and bonding, characteristics that naturally resonate with children. These festive moments present an opportunity for authors to engage the reader and inculcate positive psychology.

Psychological Impact of Holiday Themes
Holiday-themed books like Christmas classics, 'A Christmas Carol' or Halloween favorites, 'It's the Great Pumpkin, Charlie Brown', offer more than just masked variants of excitement. They facilitate a form of ‘positive conditioning'. When a child reads about celebrations, they begin to associate these events with joy, happiness, and unity. This positive conditioning seeps into real life, magnifying the child’s joy during actual holiday seasons.

Moreover, holiday-themed literature often introduces dilemmas and challenges that require resolutions. This strengthens problem-solving skills and enhances emotional intelligence in young readers. Children learn that it is completely normal to experience occasional bumps even in the most joyous of contexts, and more importantly, they can overcome them.

Holidays as Tools for Moral Education
Holidays, in several stories, serve as a conduit for moral lessons. Stories focused on giving and sharing during festive times imprint the importance of generosity and empathy. Books like 'A Charlie Brown Thanksgiving' and 'How The Grinch Stole Christmas!' illustrate the essence of the holidays, emphasizing virtues like kindness, forgiveness, and the spirit of sharing.

Encouraging Reading with Holiday-themed Books
The anticipation associated with holidays can be utilized to encourage children to develop a reading habit. A well-told holiday story can instill a love for reading. Authors and parents can take advantage of this opportunity to foster literacy skills in children by choosing holiday-themed books that cater to their unique interests and reading levels.

Conclusion
In conclusion, holidays in children’s literature contribute significantly to shaping a child’s psychology. They form an invaluable tool in positive conditioning, stimulating emotional growth, and teaching moral values. Coupled with the joyous anticipation of holidays, they also hold the potential to foster a deep-rooted love for reading in children.