Not sure what the other editions of this book are like, but I got the 3rd edition 2008 reprint. Within the first 9 pages of the book (the section on GI), I spotted as many as 11 errors and contradictions. Here are just a couple of examples: boiled potatoes are listed on page 4 as high GI foods and on page 9 as low GI foods; chapatti and pitta bread are listed on page 6 as low GI and on page 7 as moderate GI. The list goes on within the GI section. Not sure if this is the author's fault or if it's just bad or non-existent editing.
The recipe section also contains some errors, sometimes within the ingredient list (using 85 g of flour and 175 g of sugar for brownies turned out to be inedible, swapping the amounts around was fine) and sometimes within the setting of the oven temperature.
Again, not sure if these are just typos, but it makes it very confusing to bake anything according to the recipes listed.
Another disappointment is that none of the recipes list the nutritional value, which in a book on nutrition is - in my opinion - a bad oversight.
Many times the author refers to studies and research done by several universities to back up her claims, but there is no reference list in the book if you are interested in looking up the studies yourself.
If all the errors and contradictions could be corrected, the nutritional value added to the recipes and a reference list included, this book would be great. The sections on nutrition for competitions and training are indeed very good and have helped me with my university work. If you think about buying this book, please make sure you don't get the 2008 reprint. Maybe this is the only edition which contains all these errors and the older editions are fine.