Should there be an apostrophe in "its"? What's the difference between "i.e." and "e.g."? Should I write "ensure" or "insure"? What's wrong with the word "lite"? Should I say "who" or "whom"? Should I write "My partner and I" or "My partner and me"? Is it correct to say "May I" or "Can I"? Find the answers to these-and many other-grammatical puzzles in The Grammar Cookbook The Grammar Cookbook is an easy-to-read reference that shows you how to avoid the most common grammatical errors. It is presented in a non-technical, easy-going style in a topic-per-page format so that you can browse through it at your leisure or quickly look up the answers to specific questions.