Walter R. Brooks 
Freddy and the Ignormus 

First published between 1927 and 1958, the 26 classic books about Freddy the Pig have delighted five generations of children and are now going on to delight a sixth generation. Freddy the Pig must summon all of his courage and detective skills when the chief suspect of a series of robberies on the Bean Farm is a legendary beast from the Big Woods.