Determine if the sentence is true based on the text below:
Bülent Ecevit had a book of poetry published after his death.

Bülent Ecevit, former prime minister of Turkey and poet, has died at 81. Ecevit was in a coma for nearly six months following a stroke. Ecevit was the prime minister of the government ordering a military intervention on July 20, 1974, to prevent a coup in Cyprus by Greek forces, dividing the island and setting the stage for the foundation of the breakaway Turkish Republic of Northern Cyprus.
It's impossible to say