Petrick & Mia: 7x Petrick (Maroon) © Petrick & Mia, CA Softcover, stapled, 5.5x8.5", 15 pages

Image from Magicref

Comments: Maroon cover (somewhere between purple and red) with a silhouette of Petrick throwing a ball into the air (silhouette by Dai Vernon). Illustrations by Mia. Covers Stage Magic.
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 Red with 7 of Hearts - Cards
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 Purple with silhouette of Petrick's profile - Miscellaneous Magic

Contents (from book):

2 The Doggy Bag: balloon animal dog finds card selection
4 The Balloon Bang Box: a pierced balloon box trick seems to go wrong
6 Cut and Restored Ribbons - Revisited: clever platform cut and restored
8 The Cardsharp Sharpshooter: bang gun and card silk revelation
10 Sucker Ring Off Rope: magician appears to cut the rope to remove the ring, but rope is restored
12 Sim Sala Bim Bag: torn and restored newspaper, with some clever twists
14 A Glove Full of Milk: constructed from 1 quart milk cartons