0+, and kindle for iPad/iPhone version 4. 0+. Default dictionary feature is not supported on Kindle for Mac, Kindle for PC, or Kindle Fire 1st/2nd generation. More than 2, 000 entries include Greek and Latin terminology.
Merriam-Webster's Guide to Punctuation and Style#ad - Firmly based on real-life source material, reflecting both the consensus and the variety in American published writing. Answers questions about punctuation, and quotations, compounds, abbreviations, plurals, possessives, capitalization, and provides instructions for preparing notes and bibliographies. Includes a guide to copyediting and proofreading.
. Easy-to-understand explanations of style and usage.