21% Monster: Serpent Strike

Fun, fast-paced, high-octane action adventure, 21% Monster is a perfect page-turning series for fans of Alex Rider, Percy Jackson and the MCU generation.

For once, 21% monster teenage-boy Darren Devlin thinks he has the upper hand over Xastris, the secret organisation that transformed him into a genetically-modified superhuman. Since joining forces with 19% alien boy Marek Masters, 17% sabre-tooth...