Petrick: 7X Petrick (Red) © Petrick (Petr Krejcik), Praha, CSSR Softcover, saddle-stitched, 6x8.5", 16 pages

Image courtesy eBay seller FlimFlams

Comments: Red cover with a 7 of Hearts. Covers Card Magic. In English & German.
The Seven by Petrick Series were released in seven volumes, each with seven tricks, and each with a different color cover and topic covered. The others were:
7X Petrick Blue with 7 of Clubs and hand with Billiard Balls - Ball Magic
7X Petrick Green with 7 of Clubs and a Handkerchief - Silk magic
7X Petrick Orange with Joker - Cards
7X Petrick Black with 7 of Spades - Cards
7X Petrick Maroon with silhouette of Petrick Throwing a Ball - Stage Magic
7X Petrick Purple with silhouette of Petrick's profile - Miscellaneous Magic

Contents (Andrew Pinard, numbers are not page numbers):

1 Four ace trick
2 Card chosen by spectator vanishes from closed card box and reappears under a jumbo card.
3 Card selected by spectator is "shot" through then all the cards except the selected card are shot through leaving a hole through the deck.
4 Blank cards become printed with card backs
5 Selected card appears in closed card box
6 Card transposition effect in spectator's hand
7 Selected card is revealed by knocking three pips out of the box. Pips do not match selected card (one short). Spectator goes through cards and finds a special card with only one pip but index reveals that it was four and matches the selected card.