Джамп.( Звёзды - холодные игрушки. Звёздная тень.) романы

Having gone into space, humanity has established contact with the Conclave - an association of intelligent beings standing at different stages of development. The strong races that control the Conclave entrust only the most insignificant operations to the Weak, and it is this unenviable role that the earthlings have got.
Young pilot Pyotr Khrumov accidentally gets involved in a conspiracy whose goal is to revise the terms of interaction in the Conclave. The alignment of forces is not in our favor.
Jump - the unique ability to move between worlds - the only advantage of earthlings over aliens ...