Amazon.com description: Product Description: Learning how to use capitalization and punctuation is an important, if sometimes perplexing, part of learning how to write correctly. This guide covers basic punctuation, such as periods, question marks, commas, and apostrophes. It also explains how capitalization is used at the start of a sentence, in a letter, and with proper nouns. Useful and easy to understand and directly correlated to Common Core Grade 3 English Language Arts Standards, CCSS.ELA-Literacy.L.3.2, 2a, 2b, 2c, and 3. Sample exercises, with explanations in an answer key at the back of the book, help to hone skills.