Looking for Answers about Little Brown & Company Arthur Chapter Book #9: Arthur and the Lost Diary?

When Sue Ellen loses her diary at the library, Arthur and his friends imagine what she has written about them in her private book-and worry about what will happen if the diary falls into the wrong hands. Luckily, Arthur is the one who finds it...but will he do the right thing and return it, unread, to Sue Ellen? In chapter-book format, for children who are ready to read on their own, this imaginative adventure will surely be a hit among Arthur fans. For children Ages 5-7.