These are original unissued copies from Supreme Magic.
 
Publisher's description:
 
The Magic of Frederica (Tommy Frederick) contains fantastic material for the stand-up performer as well as the close-up artist. Cards, coins, candles, rings, mentalism, liquid, clocks, dice, plus much much more!
 
Condition: New though with some very minor wear to dust jackets.
 
Binding: Hardback
Year: 1981
Publisher: Supreme Magic
Pages: 128
Dimensions (to nearest cm): 26 X 21cm