Robert Harbin - The Magic of Robert Harbin
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This book contains， for the first time， the secrets of the best of all the original tricks and illusions that have eminated from the finest inventive brain in the magical world today.  
1970， Eric Mason， M.I.M.C.
The Magic of Robert Harbin was a book by Robert Harbin which included the plans (and performance rights) for the Zig Zag Girl.
In August of 1968， after Jim Sommers finally admitted that he had made the Zig Zag Girl illusion without Harbin's permission， Harbin decided to write "The Robert Harbin Book of Magic" in order to provide the plans for the Zig Zag giving owners of the book the right to build and perform the Zig Zag Girl. To purchase the book， one had to send for a prospectus and sign a legal document agreeing to keep the secrets. The owner were only allowed to build things from the book for their own use.
Only 500 copies were printed and then Harbin had the plates destroyed. The Magic Circle is currently in possession of the rights.
There were also a limited number of the books sold to magic society libraries for ￡10， but not sent until two years after the initial printing.
In the 1980's， individuals unknown for many years， but later determined to be Al Mann and Craige Snader， had a firm in Mexico print and bind a number of illegal copies of the Harbin book.
To tell the difference， on page 154 the original has a small sticker with text in the margin (beginning with "This is confusing...")， the copies have the text actually printed (not a sticker) on that page.
Another bootleg version， a softbound photocopied (one-side)， was reportedly done by Gary Darwin.
The Index of illusions in the Magic of Robert Harbin is as follows：
    The Vanishing Vase and Flowers 
    Harbin's Vanishing Radio 
    Harbin's Folding Trolly 
    The R.H. Cigarette Routine 
    The R.H. Rope Routine 
    Harbin's Torn and Restored Newspaper 
    Drinka Pinta 
    Cage to Bouquet or The Ever Vanishing Birdcard 
    My Lady's Ring 
    Harbin's Packaway Tables 
    Upside-Down Production Box 
    Super X Plus 
    Harbin Chair Suspension 
    The Magic Carpet 
    Super Simplex Levitation 
    Beer Barrel Penetration 
    Head Off 
    Experiment 13 
    R.H. Sww Saw (Visible Sawing Through) 
    Topsy Turvey 
    Take it Away 
    Little by Little 
    The Zig-Zag Girl 
    The Great Book Test 
    The Knight's Tour 
    Master Plan 
    Vana， the Living Plant 
    The Red Hands 
    The Hands of Dracula 
    The Space Wheel 
    Petra 
    The Invisible Man (or Out of this World) 
    The Wizard of OZ 
    The Ruby Shoes 
    The Cauldron 
    The Mutilated Straw Man 
    The Vanishing Witch 
    The Sentry Box 
    Last Word (If Ever a Wiz there Woz) 
    Last Last Word 
    Will o' the Wisp 
    Copy of Agreement 
    Other Books by the Author
(Note： this is not a very good scan， but I suppose we must be content with what we find. I believe this was produced from one of the "bootleg" copies referred to above in the description.)