By Laurien Berenson (Author), Margaret Strom (Narrator), Tantor Audio (Publisher) An Audiobook Review by Jackie Houchin  “Like a tomato and a baseball bat” is how someone describes sisters-in-law Peg and Rose, two elderly characters in the new Melanie Travis spin-off series, by Laurien Berenson. Sparks fly when hard-hitting, poodle-loving Peg and soft-spoken, ex-nun Rose first get together to join a bridge…