As the Years Have Passed by in Nottingham by William Leaning is a historical account of Nottingham, England, from its early beginnings through to the 19th century. First Published in 1905 by the Boots Bookselling Department, the book was even "Approved by the city of Nottingham Education Committee for use in the Schools under their control," highlighting its educational purpose.
 
William Leaning's book provides a historical overview of Nottingham, likely intended for educational purposes within the city at the time of its publication. It aims to give readers an understanding of how Nottingham developed over centuries through key historical events and periods.