Join these two best friends on a day full of fun! Rosie and her best friend spend every day together - helping the adults with the gardening and the shopping, learning new tricks, and playing in the park. They even explore outer space and the deepest oceans! When there are scary monsters, they stick together, and although they make new friends, they always come back to each other. There's nothing better than having a best friend, and Rosie is the best best friend you could possibly ask for. This gorgeous new book has a clever twist that will tug on the heartstrings!