A 
      Week in the Zone is THE "CR" book to start with. It's cheap, 
      succinct & reads fast. It's very portable (fits nicely in a small bag 
      or purse -- so you can sneak it into to your favorite restaurant). And, 
      most important, it introduces you to the "most comfortable" method 
      of doing CR (again, IMHO -- but based on 3 1/2 yrs experience ;). If you 
      feel comfortable with the diet (i.e. after "a week in the Zone"), 
      and have an interest in the science behind CR, go for Walford's Beyond 
      the 120 Year Diet : How to Double Your Vital Years . Sears more in-depth 
      books, and the original The 
      Zone : Revolutionary Life Plan to Put Your Body in Total Balance for Permanent 
      Weight Loss (not yet reviewed), are also good choices for your CR 
      library.   
      -Khurram Hashmi
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