Conor is only 13 years old, but he knows exactly what is going to happen shortly after midnight.

He is going to have the same nightmare again, that "nightmare full of darkness, wind and screams."

It's been like this since his mother fell ill.

Although that night seems different. Conor hears a voice calling him from the garden. In front of the house, there is an old church with its cemetery and an old tree, a yew that has transformed into a monster before Conor's eyes.

Hand in hand with that creature, Conor embarks night after night on a new adventure to escape his own fears until he gathers enough courage to face his worst nightmare, his own story: the truth.

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A monster calls is a story whose witness has been passed from hand to hand until it reaches the hearts of thousands of readers and movie and theater viewers. British writer Siobhan Dowd, diagnosed with breast cancer in September 2004, began writing a story about a boy dealing with his mother's terminal illness. Siobhan died in 2007. Her publisher contacted Patrick Ness shortly after to complete the story that had begun: “it had the characters and a premise. What he didn't have, unfortunately, was time."

The novel was published in 2011 to an exceptional reception. In 2016, Juan Antonio Bayona released an acclaimed adaptation in theaters that received 9 Goya Awards. In 2018, the Old Vic Theater in London premiered a theatrical version that toured the United Kingdom and the United States with a warm reception from the public and critics.

We now receive in Spain a moving story, a project dreamed of for years that awaits thousands of spectators eager to take up the baton and transmit a great legacy.

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