Behind the Walls of Terra

Book four of the World of Tiers series. Kickaha finds himself back on earth, which he discovers is not a real planet but a pocket universe made by Red Orc.

REVIEWS

Ace 71135

Paperback / 1970
First Printing
Cover Artist: Gray Morrow

Ace 05360

Paperback / 1974
Cover Artist: Bart Forbes

Sphere 3445-2

Paperback / 1975
First British Printing
Cover Artist: Peter Goodfellow

Ace 05361

Paperback Hardcover / 1976
Cover Artist: Bart Forbes

Sphere 3429-0

Paperback / 1978
Cover Artist: Melvyn

SFBC 3698

Hardcover / 1981
In the World of Tiers Vol 2
Cover Artist: Boris Vallejo

Phantasia 13-1

Hardcover / 1982
First Hardcover Printing
Limited to 250 signed copies
Cover Artist: Alex Abel

Phantasia 13-1

Hardcover / 1982
First Hardcover Printing
Limited to 750 copies
Cover Artist: Alex Abel

Sphere

Trade Paperback / 1986
In the World of Tiers Vol 2
Cover Artist: Mark Harrison

Tor

Hardcover / 1996
In the World of Tiers 2
Cover Artist: Boris Vallejo

SFBC 35725

Hardcover / 2001
In the World of Tiers
Cover Artist: Boris Vallejo