Step 1 : Introduction to the question "5. I was a writer known for my use of local color and vernacular in my works, and created two enduring characters, one of whom is linked indelibly with American boyhood. "
...1. Jack London 2. Raymond Chandler 3. Ellery Queen 4. Mark Twain Jack London was the author of "Call of the Wild," which has a dog as its protagonist. Ellery Queen was the pen name of Frederic Dannay and his cousin, Manfred B. Lee, as well as the name of their detective protagonist. Raymond Chandler was the creator of Philip Marlowe and one of the innovators of the 'hard-boiled' sub-genre of mystery.