Late Book Return to Library, Excuse Letter Free Templates and Formats -letterspoint

Late Book Return

Dear [Librarian's Name],

I apologize for returning the book [Book Title] late. An unexpected series of events disrupted my schedule, making it difficult for me to meet the return deadline. I value the library's resources and assure you that I will return the book promptly. 

Thank you for your understanding.
  
Sincerely,
[Your Name]