Margery and Clementine are enjoying a peaceful middle-age together in the small, idyllic town of Dewstow, and eagerly awaiting retirement from their work on the front line serving meals to the students at Summerview secondary school.Their calm life is shattered when their kitchen manager is found dead in the school's walk-in freezer. The police are adamant that it's an open-and-shut case of accidental death. Margery and Clementine are convinced there's something far more nefarious going on, and they take it upon themselves to investigate.....

It's winter in the small town of Dewstow, and Margery is preparing for her first Christmas as Summerview school's kitchen manager. She's supported by her wife, Clementine, and is trying to stay focused on the task at hand.The pair are determined to stay out of the way of the Christmas concert planning that has gripped the rest of the staff. However, they are caught in the crossfire when the stage lights collapse at the first practice, killing Mrs Large, the music teacher.Mrs Smith, the Head of Drama, is the prime suspect and is desperate for the Dinner Lady Detectives to clear her name. Mrs Smith is convinced that it's sabotage by her rival, Mrs Blossom, the drama teacher at Ittonvale Secondary, but there's evidence that points to her own misdeeds. Can Margery and Clementine trust their friend? And when things start to heat up in the kitchen, will they make it out in time?..

With school out for the summer, Margery and Clementine Butcher-Baker are taking advantage of the break to go on holiday. They plan to explore the village of St-Martins-on-the-Water and rest before the chaos of Mrs Smith's impending hen do. By the end of their first night, the local mayor lies dead on the floor of the hotel restaurant, having been poisoned by his meal. The villagers are convinced: The Poisoner is back......

Margery and Clementine Butcher-Baker are coming to the end of another busy half term as dinner ladies at Summerview Secondary school. The school is abuzz with chatter about the upcoming break, the local harvest festival, and the fact that maths teacher, Mr Weaver, hasn't turned up to work in days.When the pair embark on an evening walk, they discover Mr Weaver’s body in the woods, with a mysterious symbol painted on the tree beside him. Something suspicious is clearly afoot....

Margery and Clementine Butcher-Baker have been warned not to interfere in any more police investigations. When a body is found under Summerview School's playground during renovations, they have absolutely no intention of getting involved.Instead, the pair agree to help Mrs Redburn, who suspects her husband of having an affair. But when their sleuthing sends them stumbling into the middle of the playground mystery, staying out of the police's way is impossible....

During a routine welfare check, the police find local shop owner Mr Fitzgerald at the foot of his stairs, dead. There is broken glass over the floor of his shop, his dog has been locked in the kitchenette cupboard, and on the counter is an envelope addressed to Mrs and Mrs Margery and Clementine Butcher-Baker – The Dinner Lady Detectives.As the town mourns Mr Fitzgerald’s death as an unfortunate accident, Margery and Clementine cannot shake the sense that there is something suspicious about the scene. They are convinced this was no accident. But why would anybody want to harm an elderly shopkeeper? And with the culprit still at large, and determined to cover their tracks, can they get to the bottom of the case before there is another victim...