I read the whole book in two days and it was a brilliant read.
The book is well written and is easy to understand for anyone! There has also seems to be plenty of information researched to put this thing together. He mentions all the major breakthroughs in science over the last few years and how they will effect the choices of where humans go from here and what kind of world we could end up in with enhanced humans.
He mentions various fields of science which include: Genetic Engineering, Stem cell research, cybernetics etc...
He also points out the ethical issues that are likely to come up and the choices that will be made. He takes you through the progress that have led up to where we are today in these fields and mentions the problems that fields like genetic engineering have seen with the death of patients. He also talks about the benifits of using these technologies and what it could mean.
He also mentions Calorie Restriction and how it works in many species. Also points out the genes identified and how they slow down aging.
There is so much more than this and is worth picking up to read! As Im not the best reviewer in the world. Look for his book on amazon.com for better reviews!