Intergalactic Superstar. The Intergalactic Superstar Trilogy, #3

Book Three of the TrilogyThree years after his miraculous journey through the Mystical Make-Believe, eighteen-year-old Marty Puggle returns home from Cambridge University-defeated, humiliated, and convinced his days of wonder are behind him forever. The prestigious scholarship that once promised escape from his humble origins has instead become a source of shame, his Northern accent and working-class roots making him a target for cruel mockery among the academic elite.
But the universe has other plans. When a shimmering spacecraft descends through the ancient forests of Allenshead, Marty discovers he's been chosen for an honor beyond imagination: enrollment at the Intergalactic Superstar School in the musical city of Harmonopolis. Under the guidance of the luminous being Harmonius, Marty learns to channel the cosmic harmonies that flow between stars, transforming his Earth-born musical intuition into something that transcends the boundaries of worlds.
As Marty's extraordinary talents flourish among students from across the galaxy, his performances begin to resonate throughout the cosmos itself. But when the sinister Riff Reapers-parasitic entities that feed on destroyed creativity-launch an assault on Earth under their dark master Lord Nihilis, Marty must return home to face his greatest challenge yet. Armed with the power of universal harmony and accompanied by his cosmic mentor, Marty must compose a symphony capable of saving not just his planet, but the creative spirit of humanity itself.
In this climactic finale to his journey from outcast to intergalactic hero, Marty will discover that being different isn't a weakness to hide-it's the very source of his extraordinary power. A soaring tale of music, magic, and the courage to embrace what makes us unique, Intergalactic Superstar concludes Marty Puggle's transformation from a lost young man into a beacon of hope for worlds beyond counting.