1 “... as a handy reference. You won’t find any technical jargon, bloated samples, drawn out history lessons...”

2 “..., drawn out history lessons, or witty stories in this book. What you will find is a language reference...”

3 “... and exploit Objective-C to get the most out of all of your projects.   ...”

4 “..., and JSON. You will map out the features in RStudio so that you will be able to customize RStudio to fit...”