(Probably Found) Help Needed

[retloup]

i am trying to remember a book i read when i was younger it had a cat like creature in it that lived of peoples id and the space ship toured the stars there where also tree creatures and the hero made the rest of the crew go to somewhere i cant remember by force using a new science if i remember
more will post it ta

 

[robvil]

Julian May seems to ring some bells for me..all I can offer I'm afraid

 

[Seli]

This is probably "The Voyage of the Space Beagle" by A.E. van Vogt.

 

[clovis-man]

This is probably "The Voyage of the Space Beagle" by A.E. van Vogt.

I think you have it.