Andrews, Val: Manual of Balloon Modeling Vol 1 ©1981 Val Andrews, Magio Magazine Softcover, perfect-bound, 8.5x11", 57 pages

Image courtesy Don's Used Magic and Books

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Contents (from book ToC):

7 Introduction
9 History
11 Materials
18 Care of the Hands
19 For the Beginner: Animal Models Using More Than One Balloon
26 More Involved Models from Several Balloons
31 Candy Apple
32 Balloon Millinery
34 The Strange and Amusing Experiences of Balloon Men
35 Clowning with Balloons
40 One-Balloon-Only Modeling
53 Dressings and Additions
55 For the Balloon Modeler: What Are the Possibilities?