If you loved following Simon, Jane, and Barney on their race to uncover the Grail before the forces of the Dark in Over Sea, Under Stone, you'll be swept up by the thrilling adventure in The Secret of Platform 13 as a group of magical beings embarks on a daring mission to rescue a lost prince from the ordinary world. The story is filled with clues, puzzles, and a strong sense of purpose driving the plot forward.

Just as the Drew children pool their strengths and quirks to unravel mysteries in Over Sea, Under Stone, you'll delight in Charmed Life, where Cat and his sister Gwendolen navigate magical dangers and family secrets alongside a lively cast. The shifting alliances and teamwork are perfect for fans of a tight-knit, adventurous ensemble.

If you were drawn to the way Simon, Jane, and Barney grow braver and more resourceful in Over Sea, Under Stone, you'll find even deeper personal development in The Dark is Rising. Here, Will Stanton must rapidly mature as he discovers his role in a timeless struggle, facing challenges that test his courage and wisdom.

If the mysterious Cornish village and the ancient house in Over Sea, Under Stone captured your imagination, you'll be enchanted by The Children of Green Knowe. The story immerses you in an old manor full of secrets, ghosts, and centuries-old legends, with a vivid sense of place that feels almost magical.

Fans of the Arthurian mysteries threaded through Over Sea, Under Stone will be delighted by The Song of the Quarkbeast, where ancient magical forces and legendary creatures spill into a contemporary world. The quirky blend of myth and modern adventure offers the same sense of legendary secrets waiting to be uncovered.