Freddy the detective

Walter Rollin Brooks (January 9, 1886 – August 17, 1958) was an American writer known for his children's books about Freddy the Pig and the other anthropomorphic animal inhabitants of the Bean Farm in upstate New York, and also for his short stories about Mister Ed the talking horse, made into a television show after his death. https://en.wikipedia.org/wiki/Walter_R._Brooks