"The Joy of Lex: Life with a Service Dog" is a light-hearted romp recounting life with Lex, a black Lab. Beginning with Lexie's being teamed with me and our schooling together at Canine Companions for Independence, the book then offers glimpses at our life together at home and shows how we interact with the outside world. Its vignettes, all accompanied by color photographs, describe life with the best service dog in the world: they reveal how Lex works –...