Everything you need to understand or teach The Voyages of Doctor Dolittle by Hugh Lofting.
Sir Hugh Walpole, in his introduction to the tenth printing of The Story of Doctor Dolittle, praised Lofting as a "genius" for his understanding of what delights children, for his line drawings, for his creation of the character of Doctor Dolittle, and for giving life to animals.
In this latter area in particular, Walpole claims that Lofting is the true successor to Lewis Carroll.
Though Walpole's comments are often quoted, they are hyperbolic...