Upgraded!
Yes Lean Book on Symfony2 Ecommerce is growing chapters and being written in 3 languages, integrating payment gateway advanced, so lots of work!
The site will soon have more features proving that Ecommerce, even though not for the heart fainted can be made easy for those who seek 
, and i will make sure it gets more easier hopefully soon!
Please spread the word, tweet, comment, point your friends to the book and support me so that i can keep working and writing on this journey!
Undeservedly glad,
your friend @cordoval