Dick King-Smith's books are so universally well-loved, and this one actually won the Bronze Medal in the annual Smarties Book Prize.It's about Jackson and Bunny, a pari of mischievous rabbits who have stowed on board a ship bound for colonial Australia in 1842.
There's quite an informative website where you will find the author's bio, an interview, his books (American covers), some excerpts and even teacher's notes.