The Berkeley Review Updated 2015 Version

The updated versions of TBR books are out but I haven't seen any good reviews about them. Please participate if you have used the new versions!

• Based on their website they've updated the Biology and Chemistry books and developed the Psychology book.
• Seems like Physics and Organic books haven't changed yet.
• The Sociology book is going to be released this summer.

What's your insight about them? Does it worth purchasing the new book or the old ones are as...

The Berkeley Review Updated 2015 Version