Lad: A Dog (1919)
Buff: A Collie and other dog-stories (1921)
His Dog (1922)
Further Adventures of Lad (1922)
Black Caesar's Clan (1922)
And Candlewick is releasing a new paperback edition of Because Of Winn-Dixie, the dog story first published in 2000. The new cover seems to reflect the movie dog.