When Nelly returns home to find that her mother is missing, she has only one option: to fly out in a knitted hot air balloon with her best friend, a turtle called Columbus, and rescue her! She may be looking for her mother, but what she finds along the way is not what she was expecting . . .
The sixth book in the laugh-out-loud adventure series set in the best treehouse EVER! Filled with cartoon illustrations, this is perfect for fans of Captain Underpants and Dog Man.
The tenth book in the internationally popular series about Judy Moody's little brother has a scientific focus, as Stink grows his own icky, sticky slime mould.