Alexander McCall Smith 
Noah Wild and the Floating Zoo [PDF ebook] 

It’s full-time monkey business on the high seas in this new family adventure from Alexander Mc Call Smith, the bestselling author of The No. 1 Ladies’ Detective Agency series.Noah can’t believe it when he finds out his uncle owns a zoo! But the zoo is closing down, and there are animals who need homes. Before he knows it, Noah and his family are setting sail on a round-the-world trip returning the zoo animals to the places they were born. But when they try to return one very cheeky monkey, they’re in for a whole boat-load of trouble!