Just about every day I have a grammar question, despite that in junior high school I was an ace at diagramming sentences. Most commonly I need to figure out how to punctuate something I have written. I search for an answer, and I want to remember the information — if possible — so that I can use it the next time the same question arises. Yes, I could consult The Elements of Style, On Writing Well, The Chicago Manual of Style, or countless other good grammar books.
These days, however, when I am puzzling over a comma or a particular word, I almost always go online to find a podcast at Grammar Girl’s Quick and Dirty Tips. I listen to the explanation, usually accompanied by music and amusing examples, and even days later I still remember the rule or the spelling or usage — even if the topic has not reappeared in my writing.
If you have not checked out the Grammar Girl podcasts, take some time to do so. They are great fun — two words that I never associated with sentence diagrams.