There's also 'The Latte Rebellion' by Sarah Jamila Stevenson. This novel has elements of comedy as it follows the story of a group of friends who start a latte - themed rebellion. It's not strictly a coffee series but has a strong coffee - related theme and is filled with comical moments and relatable characters.
One great coffee series comedy fiction novel is 'Espresso Tales' by Alexander McCall Smith. It's set in a coffee - loving community and the humorous interactions between the characters make it a delightful read.
The 'Coffee Shop Mystery' series by Cleo Coyle can be considered. These novels combine the world of coffee shops with mystery and comedy. The main character, Clare, gets into all sorts of funny and mysterious situations in her coffee - centric world. It's a great series for those who like a bit of mystery with their coffee - inspired comedy.