'Star Trek' legend William Shatner to pay homage to Leonard Nimoy in a book about the actor's life

Shatner told The Guardian newspaper: "I'm writing a book about Leonard. I had a brother, whose life arc was so much like mine that we understood each other completely. Our age, our birth, the same types of problems in our marriages - our careers arced in the same manner. "

Nimoy and Shatner acted together for seven series set in the 23rd century on the USS starship Enterprise from 1966 to 1969.

Nimoy - who was 83 when he passed away in February this year - went on to star in another hit TV series 'Mission: Impossible'. He also won acclaim in stage shows 'Fiddler on the Roof' and 'One Flew Over the Cuckoo's Nest' in the 1980s.

Shatner added: "We had a great deal in common, Leonard and I. And thusly we were able to understand each other. I've lost a dear friend."