Richard Scarry's Readers (Level 3): The Mixed-Up Mail Mystery (Richard Scarry's Great Big Schoolhouse)
Description
The Great Big Schoolhouse gang is off to solve a mystery! When Huckle Cat finds an old letter tucked away inside a library book, he and his friends set out to find the writer and deliver the mail. Fortunately, their search has a sweet (and yummy!) ending. - from Amzon
ISBN(s)
1402773218, 9781402773211