Undated (circa 1980's) D. Robbins re-print of Harry Lorayne's excellent 1964 booklet.  Filled with really impressive card magic, none of which is very difficult to do. 

Originally published in 1964, as a follow-up to his wildly successful book, Close Up Card Magic, Harry Lorayne's P.S. (or Personal Secrets) contains just nine routines, but each hand-picked by Harry in his effort to have a worthy follow-up to the quality of Close-up Card Magic.

No pick a card tricks in this one -- the routines are focused on the magi's skill (both real and apparent) in cutting aces, mentally divining the colors of cards in various packets, etc.   The now-famous "Magician versus Gambler" routine is included here, as is a very cool Magic Square with Cards.

Written in Lorayne's inimitable (slightly pedantic, and occasionally annoying) style.  :-)      Though I feel Lorayne's contributions to magic literature started to lose their lustre after Reputation Makers, this early booklet by him shows why his name will still go down in magic history as one of the best authors of card magic ever.