LM Montgomery wrote a series of beloved books about a Canadian girl named Anne Shirley, who was famously known as "Anne of Green Gables". The series follows Anne's journey as an orphan who is mistakenly adopted by a brother and sister, Matthew and Marilla Cuthbert, who originally wanted to adopt a boy to help out on their farm. Filled with heartwarming and humorous moments, the series explores Anne's growth from a spunky and imaginative young girl into a successful and mature woman, all while staying true to her character and values. Montgomery's books are considered timeless classics and have become an essential part of Canadian literature.