There are 4 books in the Alfred and Bertha's Marvellous Twenty-First Century Life series.
The Alfred and Bertha's Marvellous Twenty-First Century Life series does not have a new book coming out soon. The latest book, The Three Quarters Eaten Dessert (Book 4), was published in July 2016.
The first book in the Alfred and Bertha's Marvellous Twenty-First Century Life series, The Four and a Half Minute Boiled Egg, was published in April 2015.
The Alfred and Bertha's Marvellous Twenty-First Century Life series primarily falls into the General Fiction genre.