"Big books." . . "Rats." . . "Friendship." . . "Friendship Fiction." . . . . . . . . . . . . . . "Fiction" . "Fiction"@en . . . . "Children's stories" . "Pictorial works" . . . . . . . "Rat stays in his house feeling blue until a mysterious letter leads him to go out to see his friends."@en . "Rat stays in his house feeling blue until a mysterious letter leads him to go out to see his friends." . . . . . "Spanish-language version: Rat stays in his house feeling blue until a mysterious letter leads him to go out to see his friends." . . . . . . . . "From me to you" . "From me to you"@en . "Yi feng ai de ni ming xin = From me to you" . "Juvenile works"@en . "Juvenile works" . "From me to you" . "Una carta para ti" . "一封爱的匿名信 = From me to you" . "Para ti de mi" . "Rats Fiction." . . "Animals Fiction." . . . .