ATLANTA, Georgia (CNN) -- Caring for a car has you a befuddled. The honeymoon's over, and bureaucratic tasks are beating out bliss. You're meeting with a prospective babysitter or housekeeper, a stranger you'll entrust with much of your life.



Rory Tahari, with son Jeremey, hopes to make life's to-do's more manageable with a new book and iPhone app.



How do you know what to do? Where should you go and when? What should you ask these people?



You need a list!



If figuring out the answers to these kinds of questions leaves you loopy, Rory Tahari has a new book that may have your name on it.



"Lists for Life: The Essential Guide to Getting Organized and Tackling Tough To-Dos" is just what it says it is: a compilation of lists to help readers navigate everything they might need for weddings and funerals, household maintenance and vacations, divorces and diaper bags.  Watch Tahari discuss the book »



Along the same lines, she's behind a new iPhone application -- a travel packing list, available through the iTunes store -- that she said has been downloaded in about a dozen countries.



"It's just how my brain is wired. It's part of my DNA," said Tahari, vice chairwoman and creative director of Elie Tahari, the fashion design house bearing her husband's name. "I don't know how to operate other than to make a list."



CNN sat down with Tahari to discuss when her list-making started, what she's passed on to her children (son Jeremey, 8, weighs in) and how being stuck in a snowstorm inspired her. Here are excerpts from that interview.



CNN: You've earned the nickname "The List Mistress," but when did this, dare I say, obsession start?



Tahari: From a very young age, I was a compulsive list-maker. I was always organizing something or doing some kind of list. The first list I really remember making was taking an inventory of every piece of clothing in my closet and seeing how many different outfits I could make. I think I came up with 112 combinations.



CNN: The book covers such a wide range of topics: weddings, the home, pregnancy, travel, medical, emergencies, divorce and more. How many of these lists are or were based on your own organizational needs?



Tahari: Ninety percent of the book came from actual experiences I've lived through myself. The other 10 percent, I basically did the research. [She has a degree in journalism and is a former TV producer.]



I fell off a horse two years ago, and I broke my back. I'd never been hospitalized before, so I never knew what it was like to be hospitalized. If you have a friend or family member who's in the hospital, bring them a blanket. They're always going to be cold, and the blankets they give you in the hospital don't cut it. And the nurses? You need them; they don't need you. A little batch of cookies or brownies goes a long way with the nurses. And you know what? You'll have a lot better hospital stay.



CNN: Some of these to-do lists seem more fitting and standard than others. How did you decide what would go in the book?



Tahari: People say, "Why the emergency chapter? If you're in the middle of an emergency, you're not going to grab the book." Obviously, you're not going to have the book with you in the middle of the emergency. ... But I lived through at least three tornados in Atlanta [Georgia], one terrorist attack in New York and one blackout in New York. And after the blackout, I realized my family doesn't have a  plan. I wanted to at least stimulate the idea of having a plan.



CNN: Can you give me an example of a topic you had to research?



Tahari: Cars. I
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