I was born in New York just after WWII when, because of the Depression and the war, the city seemed very little changed from the 1920s. I spent a lot of time listening to my grandparents, hearing what the area was like from when they were born in the 1880s, so it was like living in multiple time periods. I grew up in the suburbs, spent the next 20 years freelancing a design career in the Midwest and Northeast then followed that career to Los Angeles.
Writers make mistakes, especially when writing quickly. Students make mistakes, even when writing slowly. Students writing quickly often make lots of mistakes, and they get unintentionally funny. Here are some of them.
In Germany, it appears there's a whole cult that collects these. In America, we largely have the popular British book Eats Shoots and Leaves by Lynne Truss. This collection follows both of those.