this+object prototypes: ch6, clarifying how 'shadowing' works
this+object prototypes: ch4, clarifying behavior vs. data in classes, per #118
updating status of "this & object prototypes" title
Fix: MarkDown typo: due to this, Non-Strict mode read as Strict mode as non- was not highlighted
Fix: MarkDown typo @ [[put]] due to this, Non-Strict mode read as Strict mode as non- was not highlighted
Fix: markdown typo - extra`
Fix: type - summarize
Fix typo: continuing
Adding link to Shane Hudson's Foreword
types+grammar: adding lots more content to chapter 1, finally
Typo:polymorpism
Typo:essense
Typo: Smoothe
adding 'purchase from oreilly' links to each title's README
types+grammar: linking to ch2 coercions
this+object prototypes: fixing mistake in ch1 code snippet
Small reword => move 'even' for clarity

Looks good so far, thanks for the clear description of JS types
this+object prototypes: addressing #143 on the topic of boxed primitives in 'this' binding calls)
fixes some typos
Add missing apostrophe