Yates, Jack: Jack's Pack ©1978 The Supreme Magic Co. Ltd., Bideford, England Softcover, saddle-stitched, 8x10", 8 pages Available as an eBook from Lybrary.com

Image courtesy eBay seller KochMagic

Contents: (Partial from book pages):

1 Jack's Pack: introduction
2 The Arrangement for Jack's Pack
2 Effect: position of any card
2 Method For Calculating Position of Any Card
4 Notes by Ken De Courcy
6 By Age: using someone's age to find a card
6 Age Cards Addition: idea
7 As a Location System
7 Keep the Sequence