Joe, that book is 47 pages of piano accompaniments for about a dozen hymns.

There are 2 editions of Heavenly Highway hymns, here are the bib. details:

Heavenly highway hymns / compiled by Luther G. Presley. Dallas, Tex. : Stamps-Baxter Music, c1956. [324 hymns] ; 19 cm.

Heavenly highway hymns / compiled by Jack Taylor ; special project coordination Ben L. Spreer ; edited by Harold Lane. 2nd edition. Nashville, Tenn. : Brentwood-Benson Music Publishing, c1989. [307 hymns] ; 19 cm.