About the BookMr. Grump is about a little frumpy character who is generally not happy. Bad things happen to him that are funny, as he hops from place to place. This humorous story shows the crazy events that happen to Mr. Grump, keeping children amused and entertained.About the AuthorMs. Miles loves the humor of little children and their appreciation of silly events that make people laugh. Being involved with animals, horses, and the outdoors are special interests of Ms. Miles.