Here are some tables comparing different aspects of Dr Sears' Zone books available here in Australia:
| Summary | |||||
| Title | My brief verdict | Aust. RRP | Release date | Is it up to date? | |
| Enter the Zone | Long and difficult - fanatics only | $35.00 | 1995 | not on a few matters* | |
| Mastering the Zone | Good but superseded | $29.95 | 1997 | not on a few matters* | |
| Zone Perfect Meals in Minutes | Okay but too dear | $49.95 | 1997 | yes | |
| Zone Food Blocks | Long list of American foods - zealots only | $45.00 | 1998 | perhaps a few quantities have changed? | |
| The Age-Free Zone | Just theory, interesting but complex | $32.95 | 1999 | yes | |
| A Week in the Zone | Marvelous! A great summary | $18.95 | 2000 | yes | |
| The Soy Zone | Vital for vegetarians, good for all | $29.95 | 2000 | yes | |
| The Top 100 Zone Foods | I really like it | $24.95 | 2001 | yes | |
| The Omega Zone | Good theory, with instruction too | $29.95 | 2002 | yes | |
| Zone Meals in Seconds | Wonderfully practical | $29.95 | 2004 | yes | |
| What to eat in the Zone | Not very useful for Australians | $18.95 | 2004 | yes | |
| The Anti Inflammation Zone | The best Zone book yet | $45.00 | 2005 | yes! | |
| * The main one being the minimum number of blocks per day for adults, which is now 11. | |||||
| Theoretical information | |||||
| What is... | Does it explain... | ||||
| Title | The nature of its theoretical information | The benefits | Proteins carbohydrates and fats | Insulin and other hormones | |
| Enter the Zone | very thorough | thoroughly | yes | yes | |
| Mastering the Zone | brief | very briefly | yes | briefly | |
| Zone Perfect Meals in Minutes | brief | no | yes | very briefly | |
| Zone Food Blocks | very brief | briefly | yes briefly | no | |
| The Age-Free Zone | very thorough | thoroughly | no | yes | |
| A Week in the Zone | brief | yes | yes | yes | |
| The Soy Zone | brief | yes | yes | yes | |
| The Top 100 Zone Foods | brief | briefly | yes - excellently | briefly | |
| The Omega Zone | very thorough | thoroughly | yes | yes | |
| Zone Meals in Seconds | none | very briefly | no | no | |
| What to eat in the Zone | brief | yes | yes | no | |
| The Anti Inflammation Zone | very thorough | yes | yes | yes | |
| Instructional information | |||||||
| What is... | Does it explain... | ||||||
| Title | The nature of its instructional information | The "Eyeball" or "Hand-eye" method | The "Block" method | The "1-2-3" method | The "Points" method | Fine tuning | |
| Enter the Zone | lengthy | yes | yes | no | no | no | |
| Mastering the Zone | lengthy | yes | yes | no | no | yes | |
| Zone Perfect Meals in Minutes | very brief | very briefly | briefly | no | no | no | |
| Zone Food Blocks | concise | no | yes | no | no | yes | |
| The Age-Free Zone | none | no | no | no | no | no | |
| A Week in the Zone | concise | yes | yes | yes | no | yes | |
| The Soy Zone | both concise and detailed sections | yes | yes | yes | no | yes | |
| The Top 100 Zone Foods | concise | yes | yes | very briefly | no | briefly | |
| The Omega Zone | concise | yes | yes | no | no | only for fish oil intake | |
| Zone Meals in Seconds | concise | very briefly | very briefly | no | no | no | |
| What to eat in the Zone | concise | yes | yes | no | no | yes | |
| The Anti Inflammation Zone | concise | yes | yes | no | yes | no | |
| Instructional information | ||||||
| Does it have a section on... | ||||||
| Title | Supplements | Dining out | Kids in the Zone | Shopping / Zoning your kitchen | Cooking tips | |
| Enter the Zone | yes | yes | no | no | no | |
| Mastering the Zone | no | yes | no | yes | no | |
| Zone Perfect Meals in Minutes | yes | no | yes | yes | yes | |
| Zone Food Blocks | no | yes | no | yes | no | |
| The Age-Free Zone | no | no | no | no | no | |
| A Week in the Zone | yes | yes | no | yes | no | |
| The Soy Zone | yes | no | yes | yes | yes | |
| The Top 100 Zone Foods | yes | yes | no | yes | no | |
| The Omega Zone | yes | no | no | no | no | |
| Zone Meals in Seconds | no | yes | yes - excellent | yes | yes | |
| What to eat in the Zone | no | yes | no | yes | no | |
| The Anti Inflammation Zone | yes | no | no | yes | no | |
| Resources | |||||||
| Does it contain... | |||||||
| Title | Recipes | A week's menu plan for women and men | Normal food block lists* | Extended food block lists** | Glycaemic index lists | Body fat calculation tables*** | |
| Enter the Zone | yes a few | no | yes | no | yes | yes | |
| Mastering the Zone | yes - 150 | yes | yes | no | yes | yes | |
| Zone Perfect Meals in Minutes | yes - 150 | no | yes | no | no | no | |
| Zone Food Blocks | no | no | no | yes | no | no | |
| The Age-Free Zone | yes - just those in the 7 day plans | yes | yes (good choices only) | no | no | no | |
| A Week in the Zone | yes - those in the 7 day plans plus some more | yes | yes | no | no | no | |
| The Soy Zone | yes - 101 | yes one (4 block meals) | yes (protein section only contains soy products) | no | no | yes | |
| The Top 100 Zone Foods | yes - 100 | no | yes | no | yes | no | |
| The Omega Zone | no | no | yes (good choices only) | no | yes | yes | |
| Zone Meals in Seconds | yes - over 150 nice ones | no | yes | no | no | yes | |
| What to eat in the Zone | yes - just those in the 7 day plans | yes | no | yes | no | no | |
| The Anti Inflammation Zone | yes - just those in the 7 day plans | yes | yes (carbs only) | no | yes (in the form of a Zone points list) | yes | |
| * GZ's food list can be downloaded from here ** There is an online block list at Dr Sears' site *** There is an online body fat calculator at Dr Sears' site |
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| Miscellaneous | ||||||
| Does it have a section on... | ||||||
| Title | The Zone vs. other diets and critics | Zone FAQs | Testing your own health (a Zone report card) | Testimonials | References | |
| Enter the Zone | no | no | no | yes | no | |
| Mastering the Zone | yes | yes | yes | yes | yes | |
| Zone Perfect Meals in Minutes | yes | no | no | no | yes | |
| Zone Food Blocks | no | no | no | no | yes (only 4) | |
| The Age-Free Zone | no | no | no | no | yes | |
| A Week in the Zone | yes | yes | no | yes | yes | |
| The Soy Zone | vs. typical vegetarian diet | yes | yes | no | yes | |
| The Top 100 Zone Foods | yes | no | no | no | yes | |
| The Omega Zone | no | no | yes | no | yes | |
| Zone Meals in Seconds | no | no | no | no | no | |
| What to eat in the Zone | no | no | no | no | no | |
| The Anti Inflammation Zone | yes | no | yes | no | yes | |
