Ban goc (Tiếng Anh)

Charles Franks, and The Distributed Proofreaders [Transcriber's note: This aims to be an accurate transcription of the original text. To achieve this, we deviate from the standard Project Gutenberg guidelines in the following respects: * the original line breaks are preserved; * hyphenated words are not rejoined; * page breaks are noted (in the right margin); * printing errors are not corrected. Typographically, effort has been made to change the text as little as possible. The