Ella Jones vs the Battle Noise by Lucy Edwards (author) and Scholastic (illustrator)

Ella Jones saved the world from an eternity of darkness in Ella Jones vs the Sun Stealer. Now she must face the god Homados, who is hunting Hercules’ famous shield.
His plan is to throw the world into chaos by increasing battle-noise until it’s unbearable for man – the only thing that helps drown out the noise? Their own rage. Their fury. Their hate. As people come to realise this, they will begin to fight until the world descends into war and he, Homados, will grow more and more powerful. Ella, blind for two years and used to filtering out noise around her to calmly navigate her surroundings, is the hero the world needs. Her quest – alongside her guide dog Miss Maisie, her best friend Finn, sister Poppy and a mysterious new kid at school, River – will see her journey to a remote island and encounter villains new and old…