Leave QDT a little smarter than when you arrived. Browse our collection of downloadable guides and other goodies to help you do things better. We offer PDFs you can download and carry with you when you’re in a knowledge pinch.

You don't have to completely give up on sweeteners, but you should get the scoop on how to use them in moderation and what your alternatives are. 

Do you know the difference between 'who' and 'whom'? Time to show off your skills in this Grammar Girl original quiz.

Do you know the difference between 'lay' and 'lie'? It's easy to get them mixed up, but you won't forget anymore after taking this quiz. 

Do you know the difference between homophones and homographs, and can you recognize them when you see them? Take this quiz to find out!

It can be hard to stick to a healthy meal plan. Let Nutrition Diva help you with a meal plan that's sure to set you on the right track. 

Editing is a drag, especially when you're editing your own work. Fortunately, Grammar Girl can help. This checklist will help you find and correct the most elusive errors in your writing.

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