Eternity's Wheel by Neil Gaiman

In a thrilling conclusion to a captivating trilogy, the story follows Joey Harker, a young man with the unique ability to walk between dimensions, as he faces his most daunting challenge yet. With the Multiverse on the brink of collapse, Joey and his team of InterWorld agents must confront a formidable enemy intent on harnessing the power of Eternity's Wheel for their own nefarious purposes. As alliances are tested and the stakes reach cosmic proportions, Joey must navigate a labyrinth of danger and deception to save not only his world but countless others, discovering the true strength of friendship and courage along the way.