"Little Bookshop of Murder" and "Once Upon a Seaside Murder" by Maggie Blackburn are engaging cozy mysteries that follow Summer, a Shakespearean scholar who inherits her mother's romance-themed bookshop after she passes from a heart attack. Summer comes across some threatening notes which makes her question if her mothers death was actually from natural causes. With a seaside setting and charming characters, these books offer unexpected twists and a captivating mystery.