This rare book on ventriloquism was published by J. L. Yarka (ca. 1930s). Little is known about its history or the ventriloquist it was written by, but it makes for an interesting read and a simple guide to learn Ventriloquism. This book is subtitled "Many Splendid Hints on this Entertaining, Amusing and Interesting SCIENCE".
1st edition ~1930, PDF 5 pages.
word count: 2269 which is equivalent to 9 standard pages of text