This paperback is Kurt Brand's novel 'PERRY RHODAN 82: ATLAN IN DANGER' published by Ace Books in the USA in 1975.  Book is in reasonable condition.  166 pages. Picture is of actual book.

SYNOPSIS: Anti-Atlan! Emergency in the Arkonide Realm! The reign of the Robot Regent is o'er & the power to rule has now at last come to the Crystal Prince, the Immortal Arkonide. But a dangerous rebellion against Atlan is immediately fomented, a rebellion that is actually only a smoke screen, for behind it is Thomas Cardif! Son of Rhodan! Avowed enemy of the Administrator of the Solar System. The hatred of son for father knows no bounds & even goes so far as to place Atlan In Danger.