Transcriber's Note:
- Minor typographical errors have been corrected without note.
- Punctuation and spelling were made consistent when a predominant form was found in this book; otherwise they were not changed.
- Ambiguous hyphens at the ends of lines were retained.
- The Ginger illustration was moved from page 51 to page 50 and its explanation was moved from page 53.
- The Contents table was added by the transcriber.