Maher course of ventriloquism lesson one detweiler version maher course on ventriloquism book 1 ebook detweiler clinton crowl tom wade mark groves ken . Maher course of ventriloquism detweiler version lesson one book read reviews from worlds largest community for readers the maher course of ventriloqui. The maher course of ventriloquism has contributed to the development of more ventriloquists than one could ever imagine started by fred and madeline maher in 1934 the maher school of ventriloquism was purchased by clinton and adelia detweiler in 1969. The maher course of ventriloquism has contributed to the development of more ventriloquists than one could ever imagine started by fred and madeline maher in 1934 the maher school of ventriloquism was purchased by clinton and adelia detweiler in 1969. This lesson one is the most technical lesson of the entire maher course but your voice is the instrument upon which you will play your wit and you must know your instrument the more you learn about your instrument the better you will care for it and the more you will appreciate what has been entrusted for your use